二年级下册口算练习题1.pdf

《二年级下册口算练习题1.pdf》由会员分享，可在线阅读，更多相关《二年级下册口算练习题1.pdf（68页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、24+4=7+7X9=9X4=36+6=9X7=564-(12-4)=284-7+16=(3+4)X5=36+4=30+5=634-9=64+8=644-8+16=45+5=2X74-1=5X5+23=12+354-5=27+724-9=4X6+33=404-8=21-(15+6)=36+2X2=(59-17)4-6=724-9+24=544-9=44-9X4=724-9X2=4X3+3X2=354-7=56+7=8X2=1X7+56=564-7-8=124-6=4X8=214-3-7=9X3+5=84-8=324-4=82+9=()X6=3042+7=35+()=7284-7=()X8=48

2、214-3=364-4=184-2=634-7=!JX6=9X9=4X6+10=6X5+40=814-9-5=55-20-10=3X9+46=94-3=94-9=5X8+3X2=80-2X8=33+6X0=9X4+6=404-8=()X4=2061-13+20=154-5=9X3=42-1X5=184-9=180-60=72-04-4=4X7+8=14+(8-5)=61+274-3=170+20=5X9=7X7=(2+6)X5=604-300=(10+10)4-5=83-29=5X6=43-17=21+27=324-8=304-6=36+4=64+8=54-1=15+3=164-8=424-6

3、=400+50=38+26=93-8=49+7=6X9=56-30=354-5=27+25=16-2X7=11+85=2X2+12=2X9+8=3X8+8=84-2-0=50+2X8=14+11=9X5-5=90-81=85-83-1=8X 6+2=64-2-2=96-2X 4=52-1X 5=4+244-4=19+6X6=5X6+82=1X3+23=77+66=5X7-10=254-5+9=20+5+37=16+16=4+7X7=8+5X 7=51-30+5=9+404-8=45+9=42-254-5=7X5+8=36+6+29=4 X 3-0=2X4+62=36+69=51+37=73+2

4、4+3=1X 8-7=3X9+48=6X 4-19=46+31=60-10=1222=5X4+17=71-48=26-14=75-7X 4=28+4+23=124-4-2=4X3+2=7X9+9=97-7=484-6-7=8X9+9=81-7-9+1=104-1+8=30+10-1=76+17-32=37+1X5=9+9X 7=32+4+2=84-1X7=95-57=53-4X 1=4+4X 8=34+4X4=5-164-8=92-6X 2=22+32=9+364-9=8-r8-0=244-3-7=4X6-11=364-9+19=60-36=13+8X8=0+354-7=24-54-5=4X7

5、+72=424-6-4=62-104-2=96-2X 3=43+58=79-38=70-8X5=354-5+31=93-22=10-63-7-9=63-62=204-5-3=47-3X 2=55-9X 5=9X 4-10=60+724-8=8X 4-22=21-2X 3=1X 9-0=13+71=164-2-8=62-4X 4=6X6X3=18-634-7=59+74-70=100-2X1=8X5+45=9X 2-10=5 1-1 9-0=8X0+49=3X4X9=7X0+31=89-76-11=324-8X6=424-6X2=124-44-3=364-9X5=1444-64-4=9X9-61

6、=724-8-1=99-94-3=8X 5-14=70-3+13=5 3-3 7-4=74+31-16=6X 8+3=47-11-21=75+5X3=6X4+61=404-4-5=432+8+9=74-8X 7=804-10-4=904-9X5=304-5+58=52+6X0=62+86+70=304-10+65=1084-34-4=501 1=1 5-1-7=75+244-6=8X2X7=4X 5-19=28+30+94=23-0-1 8 =54-1X5=124-44-3=3X7+68=11+86-1=724-9-1=78-814-9=29+9X2=6+1X 4=26+93-52=0 X 6

7、-0=59-304-10=20-2X 5=87-7X 7=22+35+5=98-47+0=62-324-4=484-8-0=5X3+95=61+97-8=73-104-10=8X3+89=1X0X9=80+15+52=18-124-2=56+71-23=9+1+9=4+5X 6=29-1X 2=57-13-42=72-17-24=82-74+72=164-2X0=7+0+94=57+71-96=2704-64-5=164-4X3=38-7+69=44-1X9=84+42+6=91-37+58=124-4X2=4+52+51=102-4X 6=2X94-9=38+80+8=86-73+1=8X9

8、+72=1004-10X1=28-2X 8=48+43-21=244-8-1=214-74-1=7 9-7 3-4=204-10+18=56+51+18=1284-84-8=136-7X7=77-814-9=92-37-41=31+9X8=14+5X7=3X7+20=2104-74-3=16+76-54=98-39+47=124-34-1=49+25+81=27+91-42=113-5X3=504-5-4=68+1X9=8 3-8-9=724-8X6=32+96-33=2X 7-0=89+93-26=66+14+79=22-21+43=4X144-7=5 8-6-8=66-9X 4=1X 6-

9、4=424-7-1=20+21-?7=64-2+20=42+4X6=1924-64-8=12-8+59=28+0X2=9X9X6=65-3X 9=8 9-1 6-5=9 X 0-0=3X5+33=37+15+3=69-56+39=354-5-2=1X94-9=19-1X 5=61-41-18=21+7X8=1X304-6=36+0X5=72+6+4=30+69+53=47-16-22=1964-44-7=99+35+31=51+80+84=24+3X8=53+93-13=20+46+62=15-12+68=24-1X 8=79-46-27=41-4X 7=8X4+41=3X1+67=126-5

10、X 6=324-8X8=74-1+29=97+52-57=5X 3-6=804-54-4=58+0X1=159-8X 9=43+78-76=5X9X5=804-24-8=50-104-5=74-38-32=6X8+27=6+30=3X8X5=68-204-2=0X14+7=34-0X 6=4X9X4=48-64-3=1X5X8=61-20-36=8X0+49=0X6+32=484-6-0=80+24-66=44-4-0=4X8+16=14-1-0=95-6X 7=24+82=404-10-2=13+16-24=904-104-9=118-7X3=2 X 8-8=27+4X5=14+66-52=

11、424-0X2=13+58+61=77-13-14=9X244-4=6X8+75=71-304-10=90-94-9=5X324-8=48+74-1=9X 6-12=77-124-3=404-5-4=9 1-2 5-7=87+51-54=3X9X9=66+60+6=39-2-11=324-24-2=25+184-9=3X8+33=34+804-8=83+49+12=6X5+51=704-74-10=6 7-4-5 6 =58+204-4=27+3+3=60+93+42=1054-74-3=63-2X 4=124-6-1=58-34-3=6+3+39=91+124-4=80-364-9=604-

12、34-5=90+11-34=51-274-3=4X5X9=23+48+66=6X6+88=144-7+36=544-9X6=9X24-1=64+3X8=10+78+3=8 0-1-5 4=7 6-0-4 0 =45-11-28=0X6+72=244-4-2=84-2X5=72+1+9=2X3+64=19+5X3=78+82-59=23+104-10=84+95+74=83-57-20=74-7+8=18-1 1-6=2+8X 8=86+6X5=64+8+0=404-10+17=46-544-6=29+49+7=604-34-5=13+50+48=78-804-8=82+64-18=3-64-6

13、=40-3+18=34-1-0=79-104-1=1X4+92=2X 9+3=184-6X7=2X 2-0=7+1+7=21+56+8=24+4+3=84-2-0=56+8X7=404-10+68=88-68+8=60-54+31=65-364-4=62-4X 2=60+33-16=47-25+44=36+10+65=4X 9+4=9X 2-4=504-5X9=1X214-3=6+6+91=284-14-7=54+6+62=404-5-4=804-8-2=244-6-3=564-7-7=99+1X5=304-3X7=44-1X3=454-9-4=5 4-3 5-4=76+27+9=29+4X7

14、=164-4X4=95+7X6=95+94-3=1X8+83=53+39-2=60+6+23=35+0X1=9X 9-25=124-2X6=69-4X 0=79+6+23=5X 8-6=94+54-1=3 6-8-1 7 =22+0X3=7X 9-1=5+124-3=44+32-2=184-2X3=1X2+29=80+0X6=78+284-4=33+19+42=49+7X7=13-124-6=58+6X3=137-8X6=47+144-2=0X5+58=1 6-6-2=9X1X1=6 1-5 0-7=8X274-9=59+82-0=164-2X4=62+80-79=144-7X9=76-39-

15、10=6 5-4 0-2 =8X74-1=484-8-3=35-4X 0=4X1+15=71+7X7=536+9=84-8+13=60+71+65=99-8+81=4 6-2 4-7=97+19+88=3 9-3 2-3 =4X5X2=5 1-6-1 0 =60-11-40=79-9X 8=404-5+82=24-1X6=76+92-40=9X8X4=77+79+57=8+40+18=96-164-8=648+9+9=92-24+67=4X6X1=0X144-2=90+184-3=214-7-0=284-4X4=75+7X2=53-17+46=96+31-97=2+81-62=97-0X 8=

16、36+61=101-2X5=7X1X9=1X1+99=92+80-10=10-24-2=5 1-3 9-5=14-1+52=874-8X1=84-8+16=284-7-2=304-5+58=52+6X0=62+86+70=304-10+65=7+20+7=104-2+63=304-10+21=4 8-4 3-0=18+35+94=604-10-0=10+40-9=104-2+60=22-3X 7=42+73+38=96-5X 8=12-3X 2=5X4+47=58-30+65=3 8-1 1-6=1X804-8=404-4-3=4X 8-16=40+42-31=304-10+79=84-63+

17、0=28+7X7=24-13+38=84+16+5=7 X 5-9=10-144-2=7X5X8=0X1+71=35+0X6=109-404-4=2+95+79=92+7-97=61-3X 6=14+51-4=3X704-10=494-7+52=4X0+50=84-8-0=9X8+61=54-6X 8=72+8X0=35+9X3=704-10X7=9X 1+0=244-4-4=97-89+33=724-84-3=34-3X5=28+5X1=9X8+68=35+21+23=84+604-10=13+40+87=30+3+42=42-44-1=8 3-1 3-3=46-3+20=894-124-2

18、=3 X 6-5=27-3X 2=404-10-1=81-5X 2=69+12+46=3 X 4-9=78-20+63=304-6+26=22+71+26=9X0X7=69+69+74=120+3+8=65+7X3=1X6X6=57-33+45=644-8-0=6X6X0=40+2X3=23+82+92=76+214-3=4+8X 6=43+304-10=71-74-1=50+5+72=57+78+16=94+7X5=84-1+77=91-12+34=78+8X7=404-8-4=424-6-2=65-1+25=2X5X3=64+66+3=1804-104-3=98+32+44=304-10X

19、9=33+2X4=84-8-0=87-42+75=80+50-1=89-1-31=93-9+46=70+2+3=73-38-31=2X2X2=86-73+62=52+1X4=41-3X 4=92+49+82=90-8X1=95+13+50=34+404-4=1X0+52=53+904-9=2X8X3=79+5X2=2X9X2=0X304-5=7 X 0-0=23+53+34=7X9+28=604-10X4=73-6 2-7 =4X411=91+97-69=6-44-2=7X0+34=61-20+57=1X7+16=1X274-3=87-6X 1=96+59+16=164-8-1=85-9X 9

20、=7 X 4-7=67-53+6=98+25+32=55-42+78=5X30+3=18-1X 5=41+2X4=8X2+52=5X634-9=1X 1-0=9X0X8=4 X 2-0=804-84-1=0X2X9=5+5+34=66+6X7=63+91+20=21-3+6=24+204-5=9X1X4=8X2X7=604-44-5=65+6+3=1204-54-6=0X3X0=704-10X9=54-4 6-2 =1804-104-3=98+32+44=304-10X9=33+2X4=84-8-0=87-42+75=80+50-1=8 9-1-31=53+60-85=90+41+2=40-1

21、0+11=8+99+31=704-74-10=6 7-4-5 6 =58+204-4=27+3+3=60+93+42=1054-74-3=63-2X 4=124-6-1=58-34-3=6+3+39=91+124-4=80-364-9=70-3+13=5 3-3 7-4 =74+31-16=6X 8+3=47-11-21=75+5X3=6X4+61=404-4-5=432+8+9=74-8X 7=804-10-4=904-9X5=23+82+92=76+21+3=4+8X 6=43+304-10=60-11-40=79-9X 8=404-5+82=24-1X6=76+92-40=9X8X4=7

22、7+79+57=8+40+18=96-164-8=6484-94-9=92-24+67=4X6X1=0X144-2=90+184-3=214-7-0=284-4X4=75+7X2=53-17+46=96+31-97=2+81-62=4 X 2-0=804-84-1=0X2X9=5+5+34=66+6X7=634-91+20=21-3+6=24+204-5=9X1X4=8X2X7=604-44-5=65+6+3=120 6=0X3X0=704-10X9=54-4 6-2 =1804-104-3=98+32+44=304-10X9=33+2X4=84-8-0=87-42+75=80+50-1=8

23、9-1-31=244-4-4=97-89+33=72+8+3=34-3X5=16-2X7=914-85-26=2X2X2=2X9X8=3X8X8=24-1-0=50+2X8=14+11-25=9X5X5=90-81+2=8 5-83-1=8X6+79=64-2-2=96-2X 4=52-1X 5=4X244-4=19+6X6=5X6+82=1X3+63=77+66-49=5X704-10=25+5X9=20+5+37=63-16+16=4X7X7=80+5X7=51-30+5=9X404-10=45+91+29=72-254-5=7X5X0=604-6+29=4 X 3-0=0X4+62=36

24、+69-16=51+37-59=73+24+3=1X 8-7=3X0+48=6X 4-19=60+3+5=13+50+48=78-804-8=82+64-18=36+6=40-3+18=3+10=79-10-?!=46+91+80=604-10+99=124-2-2=5X4X7=604-6-7=8X274-9=814-94-1=104-1X8=304-10-1=76+57-79=37+1X5=90+9X7=324-24-2=104-1X7=95-57+44=53-4X 1=4+4X 8=34+4X4=5X164-8=92-6X 2=22+32+97=9X364-9=84-8-0=168+3+7

25、=4X6-11=364-9+69=0+60-36=134-8X8=0X35-?7=245+5=4X7+98=424-6-4=62-10-1=96-2X 3=43+58-67=79-38+40=424-6X2=12+4+3=364-9X5=1444-64-4=9X 9-61=72-?8-1=99-94-3=8X 5-14=70-3+13=5 3-3 7-4 =74+31-16=6X 8+3=47-11-21=75+5X3=6X4+61=404-4-5=432+8+9=74-8X 7=804-10-4=904-9X5=304-5+58=524-6X0=62+86+70=304-10+65=1084

26、-34-4=50-14-1=1 5-1-7=75+24+6=8X2X7=4X 5-19=28+30+94=2 3-0-1 8=98-39+47=12-7-34-1=49+25+81=27+91-42=113-5X3=504-5-4=68+1X9=8 3-8-9=724-8X6=32+96-33=2X 7-0=89+93-26=66+14+79=22-21+43=4X144-7=5 8-6-8=66-9X 4=1X64=424-7-1=20+214-7=6+2+20=42+4X6=1924-64-8=12-8+59=28+0X2=9X9X6=65-3X 9=8 9-1 6-5=9 X 0-0=3

27、X5+33=37+154-3=69-56+39=354-5-2=1X94-9=19-1X5=61-41-18=51+80+84=24+3X8=53+93-13=20+46+62=15-12+68=24-1X 8=79-46-27=41-4X 7=8X4+41=3X1+67=126-5X 6=324-8X8=7+1+29=97+52-57=5 X 3-6=80+5+4=58+0X1=159-8X 9=43+78-76=5X9X5=804-24-8=50-104-5=74-38-32=6X8+27=64-3-0=3X8X5=68-204-2=0X14+7=34-0X 6=4X9X4=7 6-0-4

28、 0=45-11-28=84-2X5=724-14-9=78+82-59=234-104-10=48-64-3=1X5X8=0X6+72=244-4-2=2X3+64=19+5X3=84+95+74=83-57-20=35-4X 0=4X1+15=71+7X7=5-364-9=84-8+13=60+71+65=99-8+81=46-2 4-7 =97+19+88=3 9-3 2-3=4X5X2=5 1-6-1 0=60-11-40=79-9X 8=404-5+82=24-1X6=76+92-40=9X8X4=77+79+57=8+40+18=74-7+8=1 8-11-6=2+8X 8=86+

29、6X5=644-8+0=404-10+17=46-544-6=29+494-7=4X0+50=84-8-0=9X8+61=54-6X 8=724-8X0=35+9X3=704-10X7=9X 1+0=244-4-4=97-89+33=72+8+3=34-3X5=28+5X1=9X8+68=35+21+23=84+604-10=13+40+87=30+3+42=42-44-1=8 3-1 3-3=46-3+20=89+124-2=3 X 6-5=27-3X 2=54-1X5=124-44-3=3X7+68=11+86-1=24+4=7+63=9x4=36+6=9x7=56+8=28+6=7x5=

30、36+4=30+5=63+9=64+8=38+16=45+5=7+1=25+23=12+35=27+71=46+33=404-8=21+15=36+22=59+18=72+24=41-29=44-9=72+16=43+32=35-8=56+7=8x2=7+56=56+7=124-6=4x2=21-7=7x3=8+8=32+4=80-9=()x6=3042+7=356=28+7=()x8=4821+3=36+4=184-2=63+7=9x6=9x9=46+10=65+40=814-9=55-20=9+46=9+3=9+9=58+32=80-28=33+60=54+6=404-8=()x4=206

31、1-13=154-5=9x3=42-15=184-9=180-60=72-40=47+8=14+85=61+27=170+20=5x9=7x7=73+16=60+300=104-5=83-29=5x6=43-17=21+27=32+8=30+6=36+4=64+8=5+1=15+3=16+8=42+6=400+50=38+26=93-8=49+7=6x9=56-30=354-5=27+25=274-9=53+8=4x9=8+2=324-8=8+1=9x9=84+7=80-44=1800-900=400-1800=420+80=430+1000=50060=898=64-8=34+9=144-7

32、=5+58=64+8=6x3=9x9=72+8=78+15=83-20=43-30=9+1=280+450=7+7=3600+5800=8x9+21=4600+4700=730-190=3700-370=8500-5500=3200+5100=96-42=1200-400=830-300=800+900=7000+3000=5x7=72+9=36+6=58-36=814-9=42+13=24+3=24+8=27-3=42+13=42-6=7+44=42+7=64-8=21+3=4x8=54+9=494-7=42+7=35+7=19+41=24-6x3=4x8-5=27+3+6=56+7-3=4

33、9+9+7=4x3+2=6+3x7=8+4x3=6x5+37=124-4+18=1644x8=8+4+48=25+5+36=6x842=2x8+4=8x9+9=36+6+3=9+9x6=424-7x6=96-80+7=64-40-8=40-4+20=7x5-8=14+7+25=154-5+8=8x9-8=1x2+20=164-8+30=7x7+8=54+6+33=510+200=15-454-9=11-4048=7+1x8=130+80=46-8=8x5-7=9x3-8=30+6=36+4=4x5+44=48+8+7=1800+200=93-80=6x5+37=10-84-1=7x8=73-4

34、=3x84-4=7x6+10=72+8=64-8=24x0=71-7+30=6+2x8=35-9=70-5x9=8x9+21=274-9=53+8=4x9=8+2=32+8=8+1=9x9=84+7=80-44=1800-900=4900-1800=420+80=430+1000=500-60=89-8=64-8=34+9=144-7=5+58=64+8=6x3=9x9=72+8=78+15=83-20=43-30=9+1=280+450=7+7=3600+5800=8x9+21=4600+4700=730-190=3700-370=8500-5500=3200+5100=96-42=1200

35、-400=830-300=800+900=58-36=1000+3000=5x7=72+9=36+6=814-9=42+13=24+3=24+8=27-3=42+13=42-6=7+44=42+7=64-8=21+3=4x8=54+9=49+7=42+7=35+7=19+41=24-6x3=4x8-5=27+3+6=56+73=49+9+7=4x3+2=6+3x7=8+4x3=6x5+37=1244+18=16+4x8=8+4+48=25+5+36=6x842=2x8+4=8x94-9=36+6+3=9+9x6=42+7x6=96-80+7=64-40-8=40-4+20=7x5-8=14+7

36、+25=15+5+8=8x9-8=1x2+20=16+8+30=7x7+8=1800+200=93-80=6x5+37=10-84-1=7x8=73-4=3x8+4=7x6+10=72+8=64-8=24x0=71-7+30=6+2x8=35-9=48+8+7=70-5x9=8x9+21=54+6+33=510+200=7+1x8=130+80=46-8=8x5-7=9x3-8=30+6=36+4=4x5+44=11-404-8=47+53=76+24=29+67=95-89=79-56=52+39=34+62=56+24=80-56=65+32=60-46=67-38=66-36=71+26

37、=84-36=15+19=55-16=55+29=69+26=64+36=74+18=35+19=54+28=58-46=65+25=53+46=36+38=39+36=25+57=37+32=76-43=26+48=13+79=46+37=84-56=87-56=76+16=39+21=29+42=61+22=27+53=75-46=78-56=52+38=63+28=56-26=59+23=29+36=36+28=45+25=52+17=58+14=80-24=88-56=93-65=38+56=24+37=51-15=36+36=97-58=57+15=45+36=26+56=61+39

38、=26+58=49+16=55+26=60-32=64+36=29+74=25+56=73-29=69+34=28+58=28+36=29+66=64-16=46+34=51+28=96-68=36+56=56+26=26+69=68-56=69-26=63-59=36+45=68-26=19+38=23+68=85-36=32+49=47-29=43+26=72-56=64-25=98-53=49+25=54+42=27+69=29+39=31+38=91-73=27+56=41-28=33+53=51+29=.35+37=97-54=49+47=46+3=16+38=23+38=51-35

39、=62+19=69+19=80+7=98-25=46+45=55-25=34+36=49+16=54-36=78+14=25+66=81-56=51-46=54+16=42+38=49+25=69+6=66+16=26+28=84-15=42+19=35+34=38+64=34+58=27+48=26+16=62+36=66+23=46+39=42-28=27+26=81-69=38+39=69+26=42+49=36+38=74-26=69+26=38+36=23+38=69+27=54+36=36+53=36+13=28+45=64+28=67+24=54+27=39+27=96-28=5

40、5+16=36+49=89-76=24+36=36+44=46+36=23+48=8+92=47+16=34+49=29+44=47-28=14+39=62+36=80-25=48+43=68+25=64-39=34+42=45-29=79+12=58+28=35+53=35+36=18+65=52-49=37+58=51+19=25+39=88-65=55+39=57+29=68+16=43+29=54+25=68-25=62+15=54-13=84+3+7=68-60=16+13=86+4+6=77-48=11+17=46+23+17=84-1=18+20=22+45+15=61-23=6

41、2+28=0+55+5=13+69=92-3=77+22+8=53+18=20+22=54+40+10=89-81=55+20=23+25+15=76+11=33+26=81+15+5=12+26=72-19=28+8+2=68+12=27+17=72+17+3=88-62=85-70=34+64+6=89-81=51-11=89+7+3=46+14=91-2=10+63+7=92-40=82-79=85+2+8=55+25=67+25=83+14+6=82-73=83-7=43+29+11=14+36=28+39=86+8+2=83-19=15+35=17+50+10=41-40=82-28

42、=1+27+3=40-21=65-0=35+46+4=46+17=96-26=11+42+28=40+16=97-84=64+21+9=15+47=69+22=65+12+8=50+17=20-9=52+44+6=92-82=64+14=10+53+7=97-13=27+52=63+8+2=85-44=59+17=32+47+3=90-85=46+12=24+30+30=35+14=77+10=46+11+19=40-15=62+14=75+15+5=69+14=16-11=20+32+28=28+14=64+28=37+13+27=21+21=83-12=81+1+9=14+62=99-86

43、=37+61+9=54+14=75-13=2+28=47-36=65-49=38+43+7=60-49=73-67=45+45+5=60-13=24+34=18+24+46=9+13=34-26=47+1+39=71-68=53+17=56+16+14=78+11=64+28=50+2+18=23+29=56+24=51+23+7=44+24=69+15=5+3+17=89-40=54+31=39+36+4=62+12=63-24=13+75+5=50+28=30+22=39+13+17=22+47=74+19=72+6+4=81-6=48-15=57+12+18=60-21=39-18=10

44、+81+9=64-51=56+29=53+29=92-38=38+54+19=46+26=90-14=34+60+10=40+15=96-13=4+16+44=45+30=69+19=58+3+7=70-6=37-29=33+59+19=61-35=11+49=13+46+24=59+21=39+34=32+34+26=39+26=97-39=39+35+18=66+14=71-13=53+8+12=43+28=24+19=16+58+12=46+39=91-75=25+26+4=72-46=16+27=38+37+13=28+62=39+32=45+15+15=18+25=48-4=34+5

45、+5=16+72=80-54=13+16+54=44+16=24+18=54+21+9=42+29=42+16=17+28+28=13+41=23+11=55+31+9=73-71=90-35=45+33+7=57+28=73+11=86+8+2=36+22=22+19=89+1+9=57-2=96-70=56+33+7=48-39=55+27=86+8+2=66-6=25+23=2+80+10=52+12=22-22=62+27+3=14+27=66+13=69+20+10=49-12=72+5+5=27+29=94-56=12+9+41=44-18=63-17=4+22+8=15+63=4

46、2-27=33+2+38=49+39=71+16=77+21+9=97-83=71-59=82+7+3=76-65=63-3=62+5+15=51+15=54+12=80+8+2=73-52=69+17=54-13=53+17=63-7=16+13=40+29+1=62+15=59+30+10=84+3+7=68-60=45+5=244-8=44-2=494-7=214-3=14-1=14+7=6X2=10+2=3X6=5X5=6+1=64-2=54-?6=9+3=724-8=154-3=104-5=204-4=90-45=94-9=3X6+2=70-52=4X94-6=244-4=154-5

47、=36+4=424-6=24+6=27+3=274-9=54-5=18+2=56+7=8+4=9X9=56+41=5X1=36+6=564-8=724-9=56+7=45-39=24+3=36+9=3义4+2=164-2=3X6+3=4X5=3X6+6=454-5=124-6=18+6=24+8=484-6=64-6=1X4=1X8=36+6=4X6+8=544-6=354-7=64+8=94-9=94-1=7+7=2X3+6=24+6=274-9=184-9=54-1=424-7=63+7=5X7=1X1=1X6=454-9=8X5-8=184-9=424-6=56+8=304-6=4X3=

48、8X3=244-8=214-7=494-7=164-8=81+9+3=36+4=284-7=9X2=724-8=724-9=63+7=7X3=56+7=2X7=814-9=194-2X4=2X5=304-6=324-8=124-2=32+8=544-6=3X7=1X5=4X9=404-8X5=2X8=3X8+40=484-8=124-4=24-1=204-4=45+9=2X7=5X8=5X3=4X7=9X4=4X8=6+3=2X6=494-7=5X6=2X64-4=7X9=644-8=104-2=6X2=7X6=63+7=3X3=5X4=23+17=1X9=3X1=4X4=3X2=164-24

49、-4=544-9=9X6=6X5=164-8=424-6=6X3=6X4=274-9X7=8X1=63+7=9X3=7X3=28+7=544-6=8X9=544-9X3=9X9=404-8=74-1=8X5=6X9=164-4=6X6=8X8=404-8=30+6=7X7=634-9X4=7X4=814-9=63+24=4+4=20+4=94-1=3X6=9X2=564-8X9=5X7=7X8=25+41=36+6=364-9=9X8=244-6=564-7X6=9X5=42+7=18+3=7X5=144-2=354-7=124-3=84-1=244-3=354-7=274-3=5X9=1X6

50、X8=94-9=16+2=71-68=6+1=15+3=9X3=52+35=544-6X4=9X4=72+9=45+45=84-4=274-9=9+3=2X2=5X9=144-2=204-4=9X7=30+6=66+26=6X2=3X6=42+6X6=14+2=5X5+52=64-2=304-6=244-4=7X8=724-8=494-7=154-5=184-9=35+5=9X8=104-2=49+7=9X9=5X6+41=80-46=42+6=184-2=5X6=6X4=104-5=7X2=65+26=364-9=544-64-3=84-8=324-4=164-8=5X4=214-7=4X8