人教版小学数学三年级下册口算天天练习试题.pdf

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1、400X7=36X9 弋300X4=30X3=440X8=400X8=200X7=6X900=600X7=300X5=1000X7=200X6=80X6=90X7=100X5=300X8=200X6=50X5=700X6=4X600=100X8=200X2=60X3=3X400=60X2=4X700=300X5=70-32=300X6=70X9=800X5=724-8=500X8=50X5=400X5=9X300=400X6=5X500=40X2=38+57=100X5=200X5=50X5=500X8=40X6=20 X 8=80X6=70-23=20X3=45X9 弋4X500=60X2=

2、80X9=500X7=200X9=72-8=80X6=100X2=5X300=3X80=6X300=80X8=400X5=32+57=600X8=400X3=80X9=600X4=700X6=60X6=3X500=32+57=80X2=70X3=40X7=900X4=56X7弋90X7=200X3=444-4=40X7=200X4=36X9 弋300X3=80X3=50X5=54X8心5X200=300X7=6000X2=600X6=25+49=500X6=200X5=9X500=2X200=6X600=37+25=14+68=4004-2=63-25=300X5=17+62=50+5=200

3、X3=400X2=25+57=90+9=4X200=54+18=32+68=7004-7=26+56=16+70=800X6=300+3=45+18=90X3=94-48=2000+5=23X3=664-7=23-16=404-2=14+62=35+18=86-48=300+5=51-37=824-9=4X12=40+4=800X8=200X3=804-4=8092=6X40=48-25=3004-6=20004-2=48-15=3X900=2004-5=40004-2=68-59=2X200=30+3=4000+5=37+55=844-9=604-6=300094=93+8=76-68=12

4、04-4=60+3=800X5=38+4=80+8=404-5=454-5=36+5=704-7=60+2=58+27=500X8=80004-4=400+8=70-17=764-8=3004-5=1004-2=36-25=30X2=4504-5=90+3=38+57=62+30=4004-5=800+2=57+34=29+24=5004-5=800+5=15+60=744-8=200+4=5604-8=27+58=55+38=3604-9=630+9=60+8=240+8=80-8=160-8=120-3=240+6=320+4=150-3=420+7=40+2=300-6=240-8=64

5、0-8=210-3=70+7=200-5=60+6=80+8=360-6=100-2=180-2=30-3=80-4=160+2=150-3=270+9=450+9=180-6=200-5=250+5=450+5=560-8=350-5=180-3=400-5=240+4=810-9=120-6=360+6=450+9=350+7=20+2=180-3=100-5=150-3=300-5=630+9=180-9=720+8=2104-7=120+2=80-8=240-8=120+4=40+2=60-6=40+4=160-2=280+4=400-5=320+8=50+5=300-2=420+6=

6、80+8=60-2=200-4=240+3=80+4=280+7=720+9=270-9=360+4=350+5=480-6=70+7=540+9=30-3=90-9=120-4=140-2=540+6=400-8=270-3=400-8=180-6=280-7=360+9=60-3=250+5=560-8=350-7=80+2=480+6=540-6=90-3=320-4=250+5=4x24=9x37=350+5=200-5=7x53=19x5=80+4=360-6=10 x5=63x4=40+2=120-6=9x72=4x44=60+2=450+5=6x38=43x5=50-5=80-8

7、=8x43=3x72=810-9=160-2=0 x48=5x99=210-7=490+7=28x2=8x40=300-5=150-5=8x64=5x62=80+4=300-5=19x2=9x53=210-3=60-6=15x6=86x9=420-6=180-2=78x4=12x4=180-9=240+6=17x5=15x6=60-3=540+6=4x20=16x3=320-8=640-8=82x3=6x73=90-9=240+3=75x2=7x61=200-4=280-4=5x18=5x52=120-3=280+7=3x91=62x6=90+3=150-3=5x66=6x25=160-4=1

8、60-8=4x 13=11x7=210+7=3x15=7x59=93x7=450+9=23x4=13x6=4x70=480-6=7x68=58x5=37x7=630-7=19x3=1 x66=72x6=8x90=5x400=600 x40=13x90=21 x4=60 x100=400 x50=72x20=2x78=20 x600=80 x200=26x30=41 x8=200 x8=40 x90=70 x23=26x3=600 x10=60 x400=50 x86=4x11=20 x400=63x40=60 x25=43x0=70 x100=80 x83=28x50=9x96=80 x200

9、=82x90=41x40=74x6=40 x200=700 x11=77x20=32x8=50 x60=50 x53=43x80=87x9=30 x300=400 x22=400-8=3x83=40 x20=90 x38=480-42x85=20 x200=79x20=280-4=9x70=60 x300=56x70=400-4=95x6=30 x100=23x40=480-6=87x2=500 x30=37x50=350+5=60 x5=90 x200=32x70=70 x7=54x7=70 x600=200 x29=700-7=3x81=400 x80=50 x36=360+3=14x4=

10、20 x900=61x80=600-6=9x88=80 x300=500 x18=220+2=4x54=400 x30=45x70=120 x2=300 x20=300 x30=83x40=800-2=80 x700=20 x300=30 x35=6x50=40X20=0X22=634-8=50-38=9604-3=72+18=88+21=90-26=8104-9=40X50=37-18=120-80=7004-7=20X50=72+6=300-30=3X20=70+2=460+2=420-150=9X50=630+7=450+9=7X8=12X5=630+3=32+8=900+100=504

11、-6=70-7=6X90=36+6=5504-5=450+50=300-80=2000+800=3604-6=12X6=560-200=634-7=4804-8=644-16=3X2+9=69+22=4204-7=102+20=5X7+4=560+40=12X20=58+15=120X4=600-267=33-28=12X60=74-2=1000-465=500-50=450X0=300+6=32+5=78+41=774-7=300+3=46+7=4504-9=300+6=800+4=29+3=5X8+8=4904-7=160+4=38+6=880+20=65X10=404-6=38+9=88

12、+9=644-7=360-90=234-5=174-5=28+68=29+5=454-6=53+17=580+20=30+6=534-7=300X7=400+8=480+70=53+7=5X3+8=8X9+9=55+5=58+9=217毫米+25毫米=238+79=307-49=724-8=1 吨一 400千克=604-8=360X7=208X3 弋1 千克一 500克=504-6=65+8=59X6弋5000克一4 千克=2000 米+8000 米=250+284=800X7=793X6处75分米-30分米=500-249=25X4=82X7心8 千米=()米237+663=83-9=260

13、X4=3 米=()厘米48+75=999X0=608X5=4 厘米=()毫米58+23=28X3=260X4=7000千克=()吨26+524=95-48=63+8=40分米=()米2 时=()分214-3=284-6=37+46=30厘米=()分米100-40=7X8+6=78+22=5 千米=()米174-5=49X4弋99+66=30X3=2000+600=120+360=29+81=20+75=404-6=30+9=32+64=280+50=734-9=4204-7=60+40=130-70=65+7=213义6%30+66=7X5=700-537=340X8=28+68=724-9=

14、28+6=65+8=18+71=30+180=4X6+3=309X8=40+56=98-80=210+450=800X5=100-4=5X8=270-80=28+6=36+60=77+13=13+3 7=50X9=48-30=53+9=494-7=140+80=60+34=32+8=8X800=75-20=1400-800=644-7=9-5+5=16X5=240+60=940-372=90-82=39+53=27X3=700X4=81-54=90-27=15X6=102X4=214-7=82-51=216X3=9X80=8X5=62+18=123X4=123X3=700-500=40+42=

15、75X6=39X7=700+800=72-39=42X7=79X5=24+18=37-27=23X9=340X5=71-21=165+202=127X8=108X5=90+300=320+590=165X6=105X6=200+60=820-499=23X5=200X6=100-20=605-309=62X3=205X6=24+18=79+81=29X7=99X2=290-180=706+94=15X3=99X3=670-570=900-187=24X6=99X4=820-220=800-235=48X3=513+96=320-180=540-160=420X6=806X3=270-190=1

16、70+350=250X7=599+252=76-28=620-470=205X7=14X2=100-51=320+480=50X4=30X6=3142-138=504-7=40X5=500X8=26+75=25X3=840+70=33X3=87+12=36X2=21 X 5=304-7=66+30=24X3=210X5=2004X2=59-14=12X7=450-80=700X9=78-34=224X3=300X8=52+6=164-3=689X7 弋25X4=86-24=164-7=964-4=46+27=45+37=20+8=204-2=27+54=60X5=324-6=30004-3=7

17、50+250=120+300=234-4=40004-5=80X7=100-55=314-5=8404-2=300X5=94-19=8+3=964-3=4X40=600X6=214-6=2104-7=85+25=700+900=334-8=320+8=650-320=74+28=164-7=50004-5=1400-500=72-48=274-6=634-7=73-29=200X9=38+9=86-39=300X5=47+35=504-8=400X8=9000-500=97-59=754-9=93-25=64-26=64-16-625X8=34+28=34+56=56+7=235+679 七6

18、7+33=87-53=86-49=992X3心500X4=500X2=300X8=504318 仁92-16-84+50=33-25=306X8 弋52-18=62+48=54+28=456+157-1200-700=72+19=67+23=150X6=4004-8=700X4=600X4=324-5=72+9=660-90=82+9=23X3=80-26=25+55=72-16=55X4=53+69=40X7=52-28=705X9=43+36=4300-700=1200-800=90-26=90 X 4=9 X 654=72 4-2=900-500=60 X 9=727 X 7=70 X8

19、0=73+69=8 X60=564 X 6=50 X50=53+36=2 X30=640 4-8=90 X60=25X4=5 X24=840 4-6=600 X50=56+27=7 X74=540 4-9=100 X30=47+54=9 X71=400 4-8=900 X10=70 X 5=11 X 2=900+9=400 X60=50 X 9=68 X 3=480+8=100 X10=10 X 8=4 X89=300 4-6=40 X100=7 X30=49 X 7=400 4-4=600 X60=2 X90=8 X47=420 4-3=700 X40=70 X 8=4 X46=880 4-

20、4=40 X600=6 X20=5 X60=650 4-5=100 X40=9 X70=79 X 3=270+3=800 X10=2 X90=82 X4=63+3=60 X200=8 X80=8 X405=70 4-5=30 X400=60 X 3=945 X 6=22 4-2=90 X500=50 X 4=520 X3=56 4-2=40 X40=90 X 7=7 X121=57 3=82 X90=5 X10=881 X5=90 4-5=92 X60=30 X 6=261 X5=78+3=18 X80=70 X 4=2 X523=91 4-7=30 X81=7 X80=5 X460=38+2

21、 =96 X80=4 X80=6 X205=75 4-3=13 X10=10 X20=30 X400=400-35=3004-6=30 X26=90 X500=6X50X7=330+6=30 X62=40 X40=56+38=3604-6=88 X40=82 X90=800-190=70X54=60 X45=92 X60=740+680=60X32=70 X65=18 X80=640+8=25X24=10 X88=30 X81=54-30+7=540+6=20 X55=96 X80=70X6+7=8X29=93 X 10=50 X86=30+72+8=60-45=80 X 60=13 X10=

22、800-125=3004-4=44 X55=10 X20=7204-9=3304-5=20 X 14=30 X26=354-74-5=3604-8=600 X50=30 X62=81-48=16X54=100 X30=88 X40=9X80=56X32=900 X10=88 X30=65+55=24X24=400 X60=60 X45=64+60=54004-9=100 X10=70 X65=4X4-11=29X29=40 X100=18 X88=3+56+7=29X29=600 X60=44 X55=33+644-8=22X22=700 X40=22 X14=42+70=15X15=40 X

23、600=41 X60=60X9=14X14=100 X40=60 X55=5X90=16X16=800 X10=31 X60=5404-9=20X50=60 X200=630+9=8X29X0=54+6=60 X100=82-54=60-22=20X800=40 x700=160+8=30 x80=40 x50=50+7=23+17=6x900=90 x90=100-2=420-6=40 x70=15x80=13x70=10 x90=30 x23=40 x16=30 x8+40=540+9=20 x50=210 x60=45+9=60 x30=40 x20=40 x40=500 x6=200-

24、4=900 x8=90 x70=60 x200=3000-6=7000 x3=72x5=320+8=30 x15=80 x12=70 x70=480+8=90 x40=70 x70=30 x60=20 x700=100 x50=400 x9=40 x60=40 x12=90 x60=70 x600=80 x90=70 x60=20 x6+4=30 x20=50 x70=1204-2=120+4=800 x5=20 x80=14x30=60 x40=90 x60=900 x7=50 x80=630+7=40 x4=50 x800=600-3=50 x300=40 x30=30 x9=70 x90

25、=40 x4=70 x90=60 x9=32+8=50 x40=600 x6=600 x9=400-8x5=160+2+4=3x900=20 x70=120-4=60 x50=80 x40=50 x30=20 x60=27+9x7=80 x10=40 x20=640-8=50 x70=90 x20=+=30 x30=80 x400=700 x30=20 x80=30 x200=12x40=80 x80=40 x700=50-7=90 x40=17+83=+=130-90=100-2=100 x50=80 x50=25x40=13x70=20 x6+4=23+77=28-16=30 x8+40=

26、+=630-7=90 x60=70 x60=500 x6=+=50 x300=95+8=25+75=320+8=+=+=40 x40=60 x70=480+8=160+8+4=114-94=60 x14=20 x700=60 x50=4x25=24+86=40 x12=27+9x7=70 x90=40 x23=120-2=33x30=15+71=25-17=14x30=42+28=60 x60=100-48=50 x80=22x50=74+26=56-14=600-3=40+90=300 x90=15x8=120-4=10 x70=25x4=40 x60=+=640+8=76+28=140-7

27、0=50 x30=30 x30=90 x80=72x70=80 x200=30 x200=+=65+56=+=87-79=+=160-8=19+58=45+15=90 x70=23+17=80 x20=20 x90=40 x20=420+6=87-29=103-73=70 x70=+=10 x90=70 x72=23-16=+=28-16=540+9=40 x90=100-46=85+15=200-4=160-70=40 x22=90 x22=3000-6=30 x80=+=40 x60=60 x90=30 x15=30 x20=100-34=24+58=70 x60=+=70 x600=15

28、4+45=25x2=25x4=800 x5=50-38=120-5=24x5=+=+=32-16=82-34=+9=17+82=+=12+=123-3=63-23=80 x50=600 x6=95+5=98-87=40 x80=3x900=+=24x5=300-5=40 x66=80 x10=8x50=35+7=50 x30=40 x50=360+3=34x2=73+27=+=15x80=96+8=24x3=96+18=210 x60=101-45=13-4=70 x7=90 x70=70-23=62+6=22x90=72x5=62+48=32-29=30 x80=+=+=64+9=82-37

29、=74-69=+=84+2=16+38=600 x7=20 x80=46x2=60-6=20+70=900 x7=320+4=40 x3=67-47=50 x800=33x4=18+3=80-75=+4=600 x9=606+6=34x2=80 x400=+=29+45=32+2=12x40=50 x30=45-27=210-7=+=6 x900=25x4=38-19=55x2=30 x23=420+2=38x2=400+2=900 x8=32+4=140+2=30-7=7000 x3=54+6=40-6=65+5=80 x12=20 x5=72+3=40 x3=63+25=45X2=6X50

30、=256+142=40-12=1104-5=364-62=210+30=83-56=76-37=302X4=6X7+6=9304-3=54-29=8+2X10=33-11=684-4=79-64=12+30=23X30=16X5=3004-6=6604-6=88-50=4X70=254-5=8X9-7=0+245=544-9=35X2=480+8=80-21=2804-7=14X3=380-90=400X9=86-45=104-4=67+23=33+41=70-42=614-8=100-35=3X800=62+12=42-19=23X4=10X2=404-5=75-59=504-7=561+1

31、2=244-2=24+38=12004-3=50X5=45X2=704-5=77+15=6X80-20=504-7=30X3=5X4-9=15+3=23X3=150+3=480+2=41+21=6004-6=44X2=56+8=12X4=22+55=624-2=44+37=5X80=46-28=604-2=34-19=2004-4=48-26=408X2=300 X 4=100-32=42X2=76+28=2804-7=400-40=1404-7=04-8=402+28=0X245=4084-4=24+2=700X7=46X10=66+3=130X4=25X4=200X5=40-31=44+3

32、8=610-20=48+4=88+112=26+44=79+97=300+3=350+70=66X2=150X0=5054-5=240+56=4004-2=1504-3=9604-3=38+52=6X30=540+90=69+3=500X6=550+90=1204-4=4204-2=41 4-5=275-80=77X3=550+5=70+18=36+3=89+21=268+2=994-3=150+5=550+5=7704-7=75+75=60+350=72-65=20004-5=47+25=7204-9=1004-5=800X4=5X400=55X2=40X5=964-8=374-6=3304

33、-3=200X7=505+5=564-9=68+25=644-9=78+3=60X7=1804-6=4504-9=1804-6=2404-4=74-25=244-7=2804-4=660+400=33X4=480+4=4204-7=7204-8=42+2=6064-3=3504-5=2504-5=600+3=274-5=4504-5=760+100=88+70=3204-4=62+12=28+8-19=26X2=50+9=22+55=23+17-10-404-7=3204-8=46-28=8+15+74=35+65=544-7=54+21=83-57-20=704-9=36+4=46+45=4

34、2-35=22X4=404-2=29+36=87-12=210X3=720-19=87-29=64+28=18+9=65+35=70X72=81-9=424-3=200-42=31-25=200+90=32X3=80+550=40X90=69+40=25X2=900X6=160-70=19X2=77+7=524X2=30X80=6X30=50+6=404-5=24+59=674-8=380+60=23X4=30X20=644-8=200X7=160+4=17+83=17+54=25+84=354-5=80X50=76-28=810+9=6504-5=23+77=65+8=55+5=324-2=

35、90X60=424-2=30X9=48+22=95+8=3604-4=60+3=15+64=40X40=136-70=4804-4=33X30=114-94=814-9=35X2=42+28=4X25=0X72+2=106X3=22X50=19-19=2704-3=300X5=40+90=70X90=56+8=120X3=10X70=15+71=400X3=34+25=76+28=60X60=904-5=70-15=90X80=74+26=33X3=66-17=56-14=300X90=324-2=40+8=70X30=12-6=236-24=206X7=19+58=25X4=111X7=98

36、X3=80X20=140-70=72X70=56-14=80X50=624-2=65+56=70X30=40X80=28+17=30X6=15X8=40X66=30X8=45+15=40X60=50X30=800+4=20X90=50X30=73+27=13X2=103-73=80X200=90X60=20X4=23-16=87-79=96+18=64-36=80X9=60X40=70X7=31 X2=100-28=40X40=22X90=36+3=40X22=90X70=30X80=844-4=40X60=40X20=40X40=1404-7=100-34=70X70=74-69=15X4=

37、60X90=400X9=40X30=9X80=130-90=28-16=26-18=15X40=25X40=85+15=60X9=49X10=28-16=90X22=600X7=150X2=70X60=60X90=32+9=56X10=25+75=3X800=60X3=42义30=60X70=24+58=50+2=30X20=60X14=70X60=22X4=31X30=24+86=25X4=66+6=4X60=40X23=24X5=7 1-7=5X60=25-17=20X40=4004-2=20X10=100-48=30X23=904-3=8X70=900X8=17+82=69+3=7X40

38、=27X30=4700700=903+3=350+()=100010X10=884-8=8549=400()=2006X30=7300+400=68+17=()X 8=400150X4=12X3=8434=1000()=70016X40=724-7=44+46=()4-5 =3050X30=63+7=300+800=300()=10070X3=200X8=6539=()+500=10007 0-3=110X4=1100500=2000()=060X40=3X310=5036=()4-6=5035X20=950X0=7144=500+()=700644-4=110X1=900X4=()-7 0

39、0=3 0 06X11=402X2=220X4=900()=1008337=25+18=500X3=77-9=9034=25+43=120X3=45-27=2X23=3700+3000=25+37=16-9=2X120=500X6=50X60=260-68=29+49=6500300=7X9+4=136-70=500+300=21 X3=6X9+8=45-5=400X4=6700+200=7X8+4=450-54-9=4X700=7X600=9X4+6=370-190=800+300=600X3=6X6+7=60-12=60+17=500X4=()+7 0=1 3 085-50=4000+30

40、0=350X4=50X()=200666=724-8=614-3=()300=5001000-20=15X4=444-2=354-()=7640-40=312-57=21 X30=5764-8=3704-5=24-8=10X18=8144-4=19X47=78-7=80X0=9204-4=16X6=828-18=40X70=90+6=900+5=437-163=30X20=48+16=23X34=820-560=50X60=96+24=392+4=34-20=21 X5=9004-45=2034-9=254-37=45X20=6240+20=770+5=3600-300=60X70=4608+

41、53=696+2=8400-600=50X12=380+60=8824-4=1900-540=36X42=2104-7=8094-8=2300-800=65X25=24X5=8204-3=274-45=27X34=230X3=11 X70=355-29=25X14=5X10=30X40=476 X 8=65X11%354-5X4=630+6=1040X 5=76X1132-32+8=458+4=1609X5=27X19454-(16-7)=238+6%13X52=45X19%508+2=876+3 心17X36=53X2 114+19=41796-79X22 Q480+6=2050+57753

42、+5-45X29 N380X0X25=380+24=89X30、700X4=12404-6=2835+27=32义48七35X4=18X3=700+28=70X32=300X5=300+4166=120+8=43X22乙35X20=306X5=18+5=52X68七89099 p4X64-8=1600-12=45+554-5=6X98=125X4=12X58=4+=459 9 50-417:60 N22X38=+=67X42=351+5 仁36X20=+=4693+7=627480+6=+=86084-8=400+80=04-8=40+580=15X4=4000+8=200+5=75+254-

43、5=964-8=84X21%630+7=320-180=140X7=38X21%30X17=17+18=80244-4=35X2111X15=62-17=724-12=7204-8=20X70=600+300=9X4+6=60X30=7X7-9=6000+3096=32004-40=6904-3=45-2X7=7681+2309=4800+60=38X85=04-16X9=15+3+7=150X20=8164-4=260+680=439+46=38X47=3484-5=13X6-70=200+5000=603X12=800+4=4X5X5=280+70=16074-15=3094-3X0=45

44、0+5+9=5+=83804-27=29X81370-190=+=454-5X6=83+9 Q604-12=12+124-12=3X64-9=40X60=632+131=60+89=6+3X8=50X(3 X4)=102+20=215+4=364-4X5=5644-7=0+8=125-25X2=3X3X3=66684-4=480+90=-7X64-3=30X8=7+3X0=10-=2504-5=3X200=900X5=-5=634-9=6204-2=67-49=91-59=2804-4=660+2=2004-4=750-78=50X50=6404-8=8000-1000=514X6=8104-

45、9=880+4=20X24=600-50=300X6=7500-500=57+29=一=25+41=0 91=540+6=54-9=1404-7=12X4=10X73=20X31=3X31=10X58=一=90-65=58+26=0 49=一=52X44N120X4=34X20=26-8=74X54q0X97=632+131=350-70=41 X75 N360+9=102+20=80-36=40X70=44X2=0+8=500-240=131+6 心960+3=480+90=720+8=9004-3=32X2=7+3X0=36+56=57+29=2X440=45+55+5=23X30=125

46、+2 心460+2=4+=10X73=4X94-6=70+500=+=90X50=904-9=3X33=+=8004-8=16004-2=2804-4=+=6000+2000=71-68=9X400=40+580=120X4=6004-1=3X330=75+254-5=6404-2=15004-3=6904-3=320-180=52X94 n9X300=11 X40=17+18=62-17=一=7704-5=964-8=600+300=54-9=6964-2=140X7=6000+3096=一=8824-4=80244-4=7681+2309=809+8=724-12=15+3+7=820+3

47、=9X4+6=439+46=26-8=11 X 70=3200+40=200+5000=350-70=30X40=48004-60=280+70=80-36=630+6=150X20=5+=500-240=458+4=38X47=+=(16-7)=2384-6603X12=12+124-12=508-2=876+3 Q16074-15=60+89=114+19=41796 P83804-27=215+4=2050+57753+5N454-5X6=8501+799=380+24=89X303X64-9=86509+4736=2835+27=32X48和6+3X8=5268+29=700+28=7

48、0X32=36+4X5=86509-4736=120+8=43X22 心3X3X3=-18+5=52X68 27X64-3=一=3704-5=890+9 P4X64-8=10 =19X47=6X98=125X4=-5=16X6=459 50-417960-91-59=900+5=67X42=3514-5750-78=23X34=46934-7=627+9 N514X6=392+4=8608+8=400+80=600-50=203+9=15X4=40004-8=84X21 N630+7=3600:300=32X30=38X21 N30X17=8400-600=70+5=35X21 N11X15=

49、1900+5400=25X4=7204-8=20X70=2300-800=15X6=60X30=7X7-9=27X4X5=630+9=6904-3=45-2X7=35X5X2=450+5=38X85=04-16X9=3X10=12X40=8164-4=260+680=80X40=240+6=348+5=13X6-70=18X5=16X60=8004-4=4X5X5=40X60=844-42=3094-3X0=4504-54-9=304-10=600-50=29X81370-190=13X4=500X3=83+9 Q604-12=25X20=0X930=40X60=8X50=160X4=27X3

50、0=50X(3 X4)=6+6X6=300+5=84 12=5644-7=10004-20=720+9=420+3=6668+4=6404-40=16X6=910+3=30X8=312X57=7204-0=91-59=1600-12=24X8=1804-20=11 X70=12X58=78X7=04-90=1000+5=22X38=828 18=10X40=75:15=36X20=437+163=12X50=320-180=480+6=820-560=854-5=30X40=04-8=34X200=57+3=40+580=2004-5=25X300=0+8=5604-4=95+1 =五月份=(