青岛版四年级下册口算题大全（全册完整）.docx

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1、43+2=2+()81+64=( )+8140+16=( )+4041+51=51+()9+(8+4)=9+8+()8+(4+6)=( +4+62+(5+6)=( )+5+62+7+8=2+(+8)9+8+7=9+(8+)(8+7)+5 = 8+(7+)(6+8)+2=6+(8+)()+26=26+46()+93=93+67()+25=25+46()+(4+6)=5+4+6()+(5+9)=3+5+9()+6+5=8+(6+5)()+3+8=6+(3+8)()+2+6=8+(2+6)32+( )=40+3267+9=9+()99+87=87+()48+65=65+()4+(7+6)=4+( )

2、+66+(5+3)=( )+5+3 3+(8+7)=3+8+()6+(2+9)=6+2+() 3+7+6=3+(+6) 9+8+5=9+(8+)(3+8)+2=3+(8+) (7+3)+6=7+(+6) ()+93=93+23()+43=43+86()+97=97+56()+(3+4)=9+3+4()+3+4 = 8+(3+4)()+(7+3)=8+7+3()+(8+5)=9+8+5(+5)+4=8+(5+4)3+5+( )=3+(5+2)85+87=( )+8584+52=()+8420+37=37+()2+8+7=( )+(8+7)4+(9+7)=( )+9+78+(7+5)=8+( )+

3、55+(4+2)=5+( )+27+5+2=7+(+2)5+2+6=5+(2+) (5+3)+6 = 5+(3+)()+79=79+69()+26=26+74()+25=25+54()+9+6=3+(9+6)()+(4+6)=7+4+6()+(2+5)=9+2+5()+7+6=2+(7+6)()+(4+3)=5+4+3(+8)+5=7+(8+5)3+( )+9=3+(2+9)9x18+9x82 0 9x10056x4+56x60 56x1024x8+76x80 100x88x66+2x660 10x66 7x92 + 3x920 10x92 59x8 + 59x20 59x(8+2) 32x6

4、+32x4 0 32x(6+4) 99x8+99x2 099x(8+2) 54x2 + 54x8。54x(2 + 8) 9x12+9x88 0 9x(12+88)飕:69x2 + 69x80 69x10 84x4 + 84x6。84x1033x7+33x3 O 33x10 8x33+2x33 O10x33 87x3+87x7087x10 18x4+18x6 18 x (4+6) 49x6+49x4 049x(6+4) 44x8+44x2 0 44x(8 + 2) 42x6+42x4 042x(6+4) 4x68+4x3204x(68+32)班级：25x7x4=4x4x25=2x92x5=9x4

5、x25 =2x19x5=5x37x2=55+9x55=77x9+77=610+2+5=430+2+5=125x3x8=680s2二3x125x8=67+99x67=73+73x99=6500+4+25=3100+425=8900:4:25=20001258=3000-8-125=2x37x5=25x9x4=25x3x4=70+5+2=2x71x5=49+49x9二62+9x62=9x88+88=125x5x8=260+5+2=125x2x8=720-2-5=420-2-5=46+99x46=93x99+93=3700+4:25=5600+425=7300+425=60008-125=40008

6、125=5x37x2=92x2x5二26x5x2=25x5x4=5x39x2=63+9x63=72+72x9=14+9x14=840:5:2二8x2x125=9x8x125=9x125x8=99x55+55二79x99+79=88x99+88=7700-4-25=8400-4-25=7000-8-125=9000+8:125二50008125=6x25x4二25x8x4=5x25x4=5x74x2=4x6x25=43+9x43=24+24x9=4x8x125=6x8x125=250+2+5=8x8x125=53035+2=99x33+33=99+99x99=81+81x99=6100+25:4

7、=7200425=3000-1258=40001258=60001258二阚54x15-5x54=91x16-91x6=36x19-9x36=63x19-9x63=19x95-9x95=72x12-72x2=13x96-3x96=61x19-9x61=22x18-22x8=13x32-32x3=17x35-7x35=16x34-34x6=14x12-2x14=37x15-5x37=16x21-6x21=74x15-74x5=43x14-4x43=19x76-76x9=18x24-8x24=33x18-8x33=85+7+3=5+27+35=8+75+15=38+47+2=2x46x5 =45x

8、5x2二2x42x5=14x5x2=2x36x5=27x9+27二62x9+62=42x9+42=130-91-9=28+24+36=2x125x8=320:5:2=26+99x26=87+99x87=104-24-76=120-33-67=殿:19+7+33=49+16+4=16+9+14=3+28+32=25x7x4=2x11x5=89x2x5=13x2x5=57x9+57=13+13x9=9x87+87=159-95-5=19+26+51=620-5-2=240-5-2=93+93x99=27+99x27=122-86-14=148-76-24=133-40-60=146-63-37=1

9、04-40-60=75+5+10+90=10+3+90+67=9+60+11+40=9200:4:25二2800:4:25二7600-4-25=108-25-5-70=60+40+26+34=50+27+23+50=69x18-69x8=16x91-6x91=64x18-64x8=64x19-64x9=25x15-5x25=112-45-35-20=125-30-20-50=118-30-20-50=122-25-35-40=姓名w：139-85-15=800-25-4=80+8+22+20=32+20+8+80=16+60+40+4=3700:4:25=4800:4:25二9100-4-25

10、=60+11+40+39=12+10+90+68=13x94-94x3=46x12-46x2=22x15-22x5=12x73-73x2=18x43-8x43=136-40-40-20=144-45-45-10=118-25-45-30=103-10-40-50=106-40-20-40=7+5+6=( )+(5+6)(4 + 2)x5 = ( )x5 + 2x5(25 + 7)x4 = ( )x4 + 7x4(4+5)x25 = ( )x25 + 5x2578x125=70x125+( )x125()+85=85+513+( )=67+38+(6+)=8+6+34+5+7 04+(5+7)(

11、59x4)x25 O 59x(4x25)阚(9+2)+5 = 9+(2+) 46x25=40x( )+6x2518x125=10x125+8x()88x125=( )x125+8x125()+86=86+34()+5+6=9+(5+6)9+(2+)=9+2+518+710 71+18(82x4)x25 O 82x(4x25) (72x8)x125 O 72x(8x125)1.2 O 1.75.4 O 4.30.7 O 1.66.6 O 7.24.2 O 4.62.5 O 3.78.3 O 8.19.7 O 8.87.29 O 7.926.12 O 6.211.695 O 1.62.86 O 2

12、.683.4 O 3.4877.17 O 7.715.97 O 5.9863.57 O 3.5486.68 O 6.6732.25 O 2.5250.126 O 0.219.51 O 9.5778.5 O 7.45.8 O 5.72.9 O 2.32.4 O 2.18.1 O 8.95.2 O 4.24.1 O 5.17.2 O 8.63.89 O 3.987.67 O 7.767.18 O 7.817.53 O 7.352.25 O 2.524.47 O 4.741.58 O 1.5795.93 O 5.9682.72 O 2.2792.73 O 2.7797.744 O 7.758.205

13、 O 8.216.9 O 5.58.7 O 8.80.7 O 0.88.4 O 9.51.2 O 1.33.2 O 3.98.9 O 8.87.2 O 7.53.87 O 3.783.89 O 3.984.63 O 4.368.98 O 8.892.1 O 2.1753.1 O 3.1253.14 O 3.4186.673 O 6.683.288 O 3.296.71 O 6.1782.388 O 2.835.705 O 5.71阚9.9 O 8.29.4 O 9.92.2 O 1.94.2 O 3.39.8 O 8.84.2 O 4.62.8 O 3.73.2 O 4.20.4 O 0.49

14、89.5 O 9.5612.85 O 2.583.15 O 3.516.73 O 6.374.4 O 4.4293.638 O 3.645.13 O 5.3192.19 O 2.9137.28 O 7.2744.804 O 4.812.826 O 2.868.4 O 7.81.9 O 1.59.4 O 9.23.3 O 3.42.6 O 1.78.8 O 8.79.5 O 9.41.1 O 2.97.304 O 7.31.476 O 1.41.59 O 1.951.29 O 1.92 0.7 O 0.7722.37 O 2.732.64 O 2.4695.94 O 5.4967.573 O 7

15、.53 0.79 O 0.733 7.401 O 7.45 2.49 O 2.40538-10=1.910=498-10=6.23x10=39.9x10=56.8x10=44.7:10 二86.4-10=53.3x10=785-100=174-100=218:100二548-100=593:100=2.84x100=3.46x100=0.273x10=856:1000二140-1000=3.63x1000=8.7x10=921-10=82-100=47.5 + 10=53.3x10=38.7+10=3.15x10=113x10=39.5:10 二212-100=990-100=134-100=

16、899-100=2.38x100=0.212x10=2.32x100=777:1000二7911000=138-1000=0.392x100=5.9-10=90310=22.3 + 10=57.3-10=8.36x10=86.8+10=9.53x10=18.5x10=731:100=344-100=662-100=514100二910-100=9.52x100=0.599x10=0.044x10=3011000=559:1000二8301000二0.343x100=8.2-10=879-10=49.810=11.3x10=45.5:10 二78.9+10=8.31x10=17.2-10=612

17、-100=784-100=489-100=589100=428-100=0.196x10=0.715x10=0.606x10=6381000二4131000=0.174x100=0.933x100=阚9.75x1000=0.076x1000=0.077x10000=0.816x10000=0.333x10000=0.81x1000=5.74x1000=0.511x1000=0.263x10000=0.756x10000=0.991x100=0.249x1000=0.496x1000=0.156x10000=0.592x10000=5.22x1000=0.836x1000=0.119x10000

18、=0.842x10000=0.181x10000=4.9t = ( )kg 7.4t = ( )kg 2.9kg = ( )g 570g = ( )kg 5.76t = ( )kg 4.38t = ( )kg 2.18t = ( )kg 135kg = ( )g 6870kg = ( )t 0.6m = ( )dm 9.3m = ( )dm 5560g = ( )kg 590cm = ( )m 730cm = ( )m 7t360kg = ( )t 820cm = ( )m 304dm = ( )m 6.1dm = ( )cm 7.41km = ( )m 997cm = ( )dm4.9t =

19、 ( )kg9.8t = ( )kg5.2kg = ( )g 640g 二()kg 2.97t = ( )kg 9.24t = ( )kg 6t30kg = ( )t 8.74kg = ( )g 8920kg = ( )t1.3m = ( )dm 5620g = ( )kg 5460g = ( )kg 6t950kg = ( )t 610cm = ( )m 860cm = ( )m 612dm = ( )m 376dm = ( )m 0.41m = ( )cm 573cm = ( )dm212cm = ( )dm飒9.2t = ( )kg 0.8kg = ( )g 410kg = ( )t 9

20、.23t = ( )kg 1.58t = ( )kg 1.58t = ( )kg 8.74kg = ( )g 3.78kg = ( )g 4.9m = ( )dm 5.7m = ( )dm 2290g = ( )kg 3290g = ( )kg 250cm = ( )m 510cm = ( )m 260cm = ( )m 719dm = ( )m 9.1dm = ( )cm 3.3dm = ( )cm 577cm = ( )dm 423cm = ( )dm4+3+( )=4+(3+6) 5+( )+7=5+(6+7)6+(+8)=6+3+8 (9+4)+( )=9+(4+2) 58+25 O

21、25+58 59+90 O 90+59 20+44Q44+207+(5+4) O 7+5+4 7+3+80 7+(3+8) 7+2+9。7+(2+9) (5+2)+3O5+(2+3) (9+7)+8 O 9+(7+8) (6+8)+20 6+(8+2) (4+8)+9C4+(8+9)2+7+( )=2+(7+5)6+7+( )=6+(7+2)(6+9)+( )=6+(9+2) 77+6 0 6+7765+11 O 11+6521+38 O 38+2166+25 0 25+66 5+(6+8) 0 5+6+8 7+6+9。7+(6+9)4+7+6 04+(7+6) (3+2)+8 0 3+(2+

22、8) (6+5)+7 0 6+(5+7) (4+7)+3。4+(7+3)6+2+( )=6+(2+8)2+(+6)=2+7+6 (8+7)+( )=8+(7+6) 36+110 11+3637+83 O 83+3796+91 O 91+963+7+4 O 3+(7+4) 2+6+5 O 2+(6+5) 6+(3+9) 0 6+3+9 7+(2+6) 0 7+2+6 (5+6)+7 0 5+(6+7) (6+5)+4 0 6+(5+4) (9+3)+5 0 9+(3+5)4980m = ( )km3m55cm = ( )m593dm2 = ( )m2537m2 = ( )dm29km20m =

23、( )km1.65dm2 = ( )cm2 8km440m = ( )km 9.2m O 922cm996cm O 9.9m0.587kg O 587g5.43m O 544cm822cm O 8.21m0.581km C 581m0.339km。339m9990m = ( )km 9m92cm = ( )m 525dm2 = ( )m2 677cm2 = ( )dm2 7.52dm2 = ( )cm2 0.45dm2 = ( )cm2 4km940m = ( )km 831cm C 8.3m 0.545kg O 545g 0.688kg O 688g477cm O 4.78m2.95m。29

24、4cm0.581km O 581m飒5630m = ( )km 8m25cm = ( )m 362dm2 = ( )m2 5km50m = ( )km 2.07dm2 = ( )cm2 8.89dm2 = ( )cm2 519cm Q 5.1m7.9m O 797cm0.536kg O 536g 0.119kg。119g 996cm O 9.95m7.7km O 7840m 726m O 0.726km5.8x10=2.55x10=47.8+10=77.510 二 470:100二8.28x100= 568:1000= 0.186x100= 0.504x1000= 0.937x10000=8.

25、8t = ( )kg 3t80kg = ( )t 6450kg 二()t 93m = ( )dm 4830g =( )kg 2tl80kg = ( )t 3t370kg = ( )t 1.65km = ( )m 53cm2 = ( )dm2 163dm2 = ( )m2566-10=60.4-10=26.610=637-100=377-100= 8.39x100=653:1000二0.675x100=0.732x1000=0.491x10000=4.92t = ( )kg 736kg = ( )g 2060kg = ( )t 8.6m = ( )dm 4750g =( )kg 6tl40kg

26、= ( )t 424dm = ( )m 637cm = ( )dm 7ml7cm = ( )m 421dm2 = ( )m2阚2.78x10=22.8x10=3.83x10=759:100=253:100二0.063x10=4.53x1000=7.36x1000=0.777x1000=0.775x10000=0.69t = ( )kg2.99kg = ( )g4850kg 二()t2.8m = ( )dm 530cm = ( )m 580cm = ( )m 0.6dm = ( )cm 5390m = ( )km 9m86cm = ( )m 411dm2 = ( )m2158dm2= ( )m2

27、963cm2 = ( )dm24.79dm2 = ( )cm25km330m = ( )km4.6 O 4.43.4 O 3.22.1 O 2.68.2 O 8.2420.212 O 0.23.84 O 3.4855.7kg O 5650g811g O 0.811kg478cm O 4.77m0.478km。478m7.31m2 = ( )dm2 391cm2 = ( )dm2 7km590m = ( )km 9.1 0 9.72.1 O 2.61.9 O 1.50.2 O 0.72.306 O 2.31.789 O 1.78.53 O 8.3545.5kg C 5630g826g。0.826

28、kg253m O 0.253km阚859cm2 = ( )dm2 6km20m = ( )km 5kml90m = ( )km0.3 0 0.89.9 O 8.62.9 O 2.74.26 O 4.626.856 O 6.82.549 O 2.457.38 O 7.8348.9kg O 8830g 835g 0 0.835kg 0.643km O 643m68.6-2=7+0.93=7.8-3.4 二18.8-7.2=96.8-5.5=99.4-5.2=18.8-7.2=5.5+63.1=9.1+0.39=60.9+8.1=5.1+53.7二9.36-4.13=6.38-6.35=6.52-6

29、.11=8.95-7.14=7.29-1.25=9.68-7.32=3.62+0.35=1.71+2.17=6.04+0.61=9.14-6=4+2.51=25.6-5.2=38.8-6.4=97.8-7.8=7.67-1.6=2.2+5.34=1.5+56.3=1.5+56.3=0.52+3.3=0.4+93.2二7.57-1.44=5.53-3.32=4.97-3.72=7.89-4.65=3.76-1.73=6.96-0.81=0.17+2.02=4.24+0.14=2.24+5.63=5+0.45=5+0.87=99.8-5.7=65.9-2.4=55.9-0.8=28.4-1.1=0

30、.02+6.8=44.2+0.3=45.1+1.3=5.28+4.6 二8.12+1.7=1.56-0.43=8.88-4.45=438-3.25=8.47-6.06=8.35-0.22=4.12+3.32=3.21+135=2.63+2.13=8.02+1.45=瞰：_113+4=1.8+95=9.96-5.5=75.6-2.2=64.7-2.2=84.5-3.1=73.4+2.3=3.4+95.1=3.7+95.2 二83.5+4.1=0.7+81.3=0.27-0.23=7.79-0.58=8.75-2.52=7.69-7.14=2.37-1.26=4.23+3.02=2.73+1.05

31、=4.13+2.05=2.66+3.03=1.4+37=0.9+75=29.6-3.6=23.4-3.1=64.9-4.6=71.7-1.1=4.31+4.1=4.1+0.72=93.2+2.8=13.2+3.4 二5.5+63.1=5.55-1.21=4.26-2.13=8.67-8.25=5.75-1.62=4.26-1.21=4.12+3.31=5.32+0.03=2.24+1.74=0.15+8.54=8.9-23-6=6.9-1.6-4=7.8-3.5+5=25+3.2-4=7.2+1.4-3=4.3+4.3-4=8.3 - 4.3+5二5+21+2.7=9-(7.8-0.8)=9-

32、(8.6-5.6)=8.8-(4.6+4)=8.2-2.1-11=9.8-1.6-21=8.8-03-1.2=7.6-(0.3+7)=3.1+61+0.2=23+3.4+0.2=43+2.1+3.4=4.5-(8.8-7.3)=4.7-(4.8-3.1)=7.9-3-21=5.8-27+6=33+53-1=43+1.5-2=5.6-5.4+8=83+1.2-1=3+2.2+41=1.2+5+07=1.1-(3.1-3)=93-(93-7)=3.9-11-2.6=9.9-14-7.5=8.7-(2.2+6)=6.4-2.1-03=9.8-15-2.2=2.2+31+3.2=0.4+1.1+12=

33、2.4+0.2+63=9.1-(3.6-2.5)=33-(4.6-33)=飒8.8-3-4.2=5.5+4.4-3二62+0.4-1=7.9-77+4=4.4-12+4=3.8-0.2+2=62+2+1.4=0.6+13+4=8-(8.8-4.8)=9.9-(6.6+3)=6.9-0.4-33=5.8-3.2-13=7.6-(2.4+5)=9.9-6.2-17=7.8-(0.1+7)=0.2+43+2.1=0.3+14+0.2=03+4.1+4.1=8.1-(7.2-4.1)=5.6-(6.9-6.3)=3.9-0.5-2=6.5 - 5.5+5二25+5.1-6=3.5-21+3=0.2+9

34、1-4=07-0.3+3=02+1.5+6=3.8+11+2=9.8-(8.8-5)=9.9-6.2-17=8.9-0.2-7.6=5.9-0.4-2.2 二8.2-2.1-11=8.8-1.7-31=1.4+0.2+33=4.6+11+0.2=4.1+4.4+03=13+0.2+7.3=9.4-(8.6-0.2)=6.6-(9.7-6.1)=口算练习-小数加减混合运算总题数：100题嬲:8.6-(8.8-6.2)二3.5-(8.7-8.2)=7.6-(2.3+5.1)=6.9-(2.7+4.1)=8.5一(2.3+6.1)=9.4-(4.9-0.5)二7.3-(7.4-7.1)=2.4-(0

35、.2+2.1)=7.8-(4.2+3.1)=8.6-(5.1+3.1)=7.2-(23-21)=7.9-(6.3+1.4)=6.5-(5.1+1.1)=7.8-(5.2+2.2)=47-(25+2.1)=83-(16-1.3)=6.9-(6.4+0.2)=8.7-(6.1+2.4)=5.9-(2.6+3.2)=8.4-(12+71)=9.5-12-2.3=9.6-11-4.5=7.6-1.2-3.4=7.9-15-5.4=8.8+61-4.8=6.44-3.1-1.1=11+7.8-6.8=42+2.6+5.8=6.6+9.5+0.5 二3.2+17+6.8=53+3.2+6.8=9.7+0.

36、4+03=6.9+2.5+7.5 二7.2+31+2.8=1.8+4.7+5.2+03=1.2+21+1.9+3.8=0.3+27+1.9+1.1=1.9+6.1+0.8+0.2=2.7+0.4+6.3+0.6=2.2+41+3.9+1.8=9.6-7.5-15=8.9-0.2-27=4.5-11-2.9=7.5+62-5.2=8.7+4.9-47=14+8.9-5.9=6.8+7.6-48 二2.5+03+9.7=2.1+0.8+7.9=2.5+11+7.5=5.9+47+4.1=9.5+53+0.5=33+5.4+4.6= 0.5+0.3+3.5+7.7=4.2+0.8+11+1.9= 4

37、4+3.6+2.2+0.8= 0.9+0.8+1.1+0.2= 2.6+8.1+0.4+0.9= 0.9+1.7+03+5.1= 0.3+0.9+1.7+3.1=阚9.5-0.2-23=43-2.1-1.9=4.6-33-0.3 =2.6+51-0.6=77+7.5-5.5=3.8+4.3-33=7.9+8.2+21=41+0.8+9.2=6.1+53+3.9=07+2.6+7.4=8.7+44+5.6=1.5+6.2+3.8=0.9+5.5+4.5 二0.9+1.7+0.3+5.1=16+7.8+2.2+0.4=47+4.1+1.3+0.9=2.2+41+3.9+1.8=1.7+41+1.9

38、+2.3=0.9+6.8+3.2+11=2.9+0.6+1.4+31=1.3+87+0.6+1.4=0.9+6.8+3.2+1.1=3.6+13+4.4+1.7=1.2+21+1.9+3.8=4.9+4.1+17+0.3=14+4.8+2.2+2.6=3.3+4.1+0.9+0.7=9.4+1.5=1.5+()9.7+5.1=5.1+()3.1+( )=3.4+3.12.1+8.8 O 8.8+2.14.4+0.4 O 0.4+4.49.2+4.5 O 4.5+923.4+5.1 O 5.1+3.4 0.7+4.6+4.4+13= 1.6+07+2.4+2.3= 1.5+6.44-0.6+1.

39、5= 5.7+0.9+1.1+43= 11+2.6+6.4+1.9= 0.5+3.8+4.2+0.5= 3.7+2.9+2.1+23=4.7+0.4=( )+4.7 9.7+3.8=3.8+() 8.9+()=6.6+8.9 3.5+3.1 O 31+3.5 73+2.6 O 2.6+73 7.9+8.8 O 8.8+7.9阚5.14-2.9+0.2+2.8=0.2+2.7+0.8+23=0.4+2.5+45+1.6=4.4+3.6+22+0.8=14+2.6+0.2+6.8=15+0.5+2.2+7.8=2.1+8.2=( )+2.17.1+6.5=6.5+()2.8+3.2=3.2+()8

40、.1+( )=7.2+8.13.8+8.4 O 84+3.82.6+33 O 33+2.61.8+0.9 O 0.9+1.897.1-3=259:10二88.7-3.2=15+66+4=5x51x2 =441-100=81+9x81=45+45x9二3.64+0.23=125x6x8=4.1-3.6-0.4=7.6+51-3.1=4.8+6.7-37=9.8+9.7+0.3=(9-5)x3-2 =(8-3)x6-2 =0.214x1000=90+8+22+10=40(8-4)x2 =40(4+6)x6=3.4+71=65.6-4.6=49.5-8.4=5x51x2=8x4x25=27+27x9

41、=6.49-4.13=16+16x9=6.21+0.06=906-1000=9.8-0.6-7.2=900-4-25=8.1+5.5-41=5.3+4.8+47=(9-3)x2-3 =0.778x1000=37+20+80+3=8300+254=40：(4+6)x5 二30*5 + 5)x9=阚585:10二35.9-1.2=47.2-7.1=18x5x2=487-100=9x19+19=9x51+51=15+15x9=940+5:2=78+78x99=6.6-3.4-2.2=600-25-4=2.3+1.2-03=(8-4)x62 =(9-3)x6-9 =0.177x1000=8+62+20

42、+80=2100:25:4二40：(7+3)x6 二90：(5 + 5)x5=20(6+4)x8 = 0314x10000=30+70+16+14=90+12-(9-7)= (9-6)x(4-2) = 107-40-40-20= 80(39-29)-6=9510kg = ( )t 4.79m2 = ( )dm2 4km620m = ( )km 4.47 O 4.746.736 O 6.377.52 O 7.519 4560m。4.6km30：(5 + 5)x2 二40：(3+7)x4 二90+15(9-4)=40+58+22+60=17x56-7x56=126-35-15-50=12+3.6+

43、1.4+0.8=8t740kg = ( )t384cm2 = ( )dm24.8 0 4.94.635 O 4.60.74 O 0.7713.62 O 3.664阚0.371x10000=70：(5 + 5)x8=20+36(9-5)=71+60+19+40=49x14-49x4=107-15-45-40=9.52t = ( )kg1.18m = ( )cm404cm2 = ( )dm21.5 0 1.5753.39 O 3.938.896 O 8.98811cm O 8.1m班级：3+8+7=5+77+3=15+77+5=29+3+31=4+58+32二19+2+38=29+42+11=46+37+13=15+28+15=15+16+14=1