小學(xué)五年級(jí)數(shù)學(xué)小數(shù)點(diǎn)乘除法計(jì)算練

1、2/ 7小學(xué)五年級(jí)數(shù)學(xué)上期計(jì)算練習(xí)題集列豎式計(jì)算2.140.9=0.750.38=32.25=1.57+3.43=18.549.9=36 X 99=3.24 - 0.24=22.8 - 3=5.98 - 0.23=19.76 - 5.2=3.81 - 7=32 - 42=246.4 - 13=2.17 - 0.7=5.3+6.7=0.25 X 0.046=0.396 - 1.2=0.756 - 0.36=15.6 X 13=0.18 X 15=0.025 X 14=3.06 X 36=3.84 X 2.6=57.65 X322=90.75 - 3.3=3.68 X 0.2=16.9 - 0.1

2、3=1.55 - 3.9=3.7 X 0.016=13.76 X 0.8=8.8 X 9.5=8.4 X 1.3=6.4 X 0.5=4.48 X 0.4=0.042 X 0.54=0.76 X 0.32=2.52 X 3.4=1.08 X=25=4.8 X 0.2510.1 - 3.3=10.75 - 12.5=3.25 X 9.04=12.5 X 8.8=0.43 X 0.28=6.45 X 0.73=3.08 X 0.43=1.5 X 26.7=5.22 - 29=5.98 - 0.23=19.76 - 5.2=18.72 - 3.6=62.4 - 2.6=0.544 - 0.16=1.

3、44 - 1.8=1.7=11.7 - 2.6=19.4 - 12=5.98 - 0.23=19.76 - 5.2=10.8 - 4.5=21 - 1.4=8.841.89 - 0.54=0.51 - 0.22=7.1 - 2.5=1.998 - 0.54=1.28 - 0.16=2.1 - 0.4=2.56 - 3.2=50.18 - 38.6=4.68 - 7.5=14.7 - 0.07=5.4 - 0.15=124.8 - 0.24=23.4 - 5.85=25.2 - 6=34.5 - 15=1.8 - 12=24 - 15=1.8 - 12=6.3 - 14=72 - 15=14.2

4、1 - 7=1.26 - 18=43.5 - 29=18.9 - 27=1.35 - 15=28.6 - 1仁20.4 - 24=12.6 - 0.28=35.4 X 4.2=0.042 X 0.54=0.76 X 0.32=5.22 - 29=1/618.72 - 3.6=0.25 X 0.046=2.52 X 3.4=1.08 X 25=4.67 X 0.9=5 X 2.44=1.666 X 6.1=9.432 X 0.002=5.6 X 6.5=4.88 X 2.9=5.61 X 4.3=8.9 X 2.4=5.5 X 55=9.77 X 0.02=1.384 X 5.1=8.78 X

5、83=2.6 X 61=0.059 X 0.2=4.268 X 1.7=57X 5.7=9.46 X 2.85=17.8 X 6.4=1.5 X 4.9=2.5 X 0.88=2.346寧2.3脫式計(jì)算（能簡(jiǎn)便的就簡(jiǎn)便運(yùn)算） 10-1.8-7.22.5 X 4X 1263+124+762弁732.5 X 4X 122/62.5 X 0.7 X 0.80.125 X 727.69 X 1 0 1 3. 8 2X. 51 01. 1. 45 .42.5 X 1.25 X 0.32162.23.81.7+0.43+3.375X 25X 4250- 250 - 570+50 - 50+7013.7+0

6、.98+0.02+4.39.5 X 1018.7 X17.4-8.7 X7.412.5 X0.4 X23.5.47X801.85.3672X 10-1 72235X 2-835X 282.6 X 78+78X 7.47.26-(5.26-1.5)8+X (2.50.25)1.25 X0.8 (X10.5.5+0.25) X40.12 X0.5 X0.167.28 X 99+7.284.3 X 50X 0.2102 X 45-3283.8 X 5.25+14.5=300-4263 - 210.81 - 0.25+5.96403 - 13 X 27(25+4) X 41.2+ 1.8) X 4.5

7、-)768 - 32645-45 X 1210-2.87-7.130.96+9.6 X9.9401 X 19+284640+128 X 451.25 X 8- 1.255.37 X 0+4.632.5 X 7.1 X 47.28 X 99+7.2845 X 50 X 0.2(1.250.125) X84.8 X100.156.+556X.5994.85+0.35 - 1.4三.解方程5X 3-x - 2=80.273 - x=0.351.8x=0.972x- 0.756=909x-40=5x - 5+9=2148-27+5x=3110.5+x+21=56x+2x+18=78(200-x)- 5

8、=30(x-140)- 70=4(27.5-3.5)- x=41.2x=81.6x+5.6=9.4x-0.7x=3.691 = 1.3 x 80x-90=7078x+2x=16088-x=809-4x=17x-8=6 65x+35=10019x+x=4025-5x=1556x-50x=3078 -5x=2832x-29=328+6X=8832-22X=1024-3X=33X+5X=4814X-8X=129 x=4.573.2x=52.587x=2266x=32.377x=21.999x=61.956x=539x=33/615(x+0.5)=1.5 12x+8x=4012x8x=403X+5X=

9、4814X-8X=12(x-2) 3=7x 5+9=21(200-x) 5=3048-27+5x8=劄3x163x+9=275.3+7x=7.43x 5=4.82.4X=26.4735=185 X 1.3-2x=5.524x+6x=63.640.5 0.81 X 0.18=4.8 X (15 2.4)=6.81+6.81 X 99=0.25 X 185X 40=2.5 X (3.8 X 0.04)=0.25 X 39+0.25=(8 X 5.27) X 1.25=6.81+6.81 X 99=0.25 X 185 X 40=6.8 X 0.75 0.5=3.75.75=0.1251.53+23

10、.4 7.2=1.2+3.2+0.8 =1.2 X2.5 X4 =3.01+1.7+0.99 =0.78 X99+0.78=8.7 X17.4-8.7 X7.4=12.5 X0.4 X2.5 X8=4.4 X 0.83.4 X 0.8=(9.37+9.37+9.37+9.37) X 2.5=2.37 X 6.3+2.37 X 3.7=26X151.57.7X 24=46X 0.33+54 X 0.33=1.93+2.7+2.07+7.3=3.375+5.75+2.25+6.625=2.1 X 4.3+5.7 X 2.1=3.375 X 0.97+0.97 X 6.625=6.54+2.4+3.

11、46+0.6=95.6 X 1.8+95.6 X 8.2=5/ 71.5 X 4.20.75 - 0.25=3.27 X 4 +3.27 X 5.7=0.25 X 800.45 - 0.9=2.4+2.4 X (5.375-3.375)=7.5-5.7 X 1 + 3=12.37-3.25-6.75=16 X 6.8+2.2 X 16+16=58.7-16.65- 3.7=0.4 X 4.7 X 2.5+(2.3+5.3)=9.31-1.125-7.875=3.12 (0.9 + 0.7 - 0)1=9.2+9.728 - 3.2 X 1.5=4/62.4 X 0.+1.25 - 2.5=20

12、.2 X 062.12) - 0.1=(1.5 X 0.9+3.65)- 2.5=8.48 - 0.8 X 0.9=101 X 0.36 014.4 X 0.05=(25.3-9.7)- 0.3 X 8.5=1024.4)+58125=4.11-0.72 X (3.382.13) =1025- 1125 o 4.5 X 3.6=8 5.4) X 2.72 0.9=0.875 X 36+4.05 4(8.212=74 225 4.68)X 0.5=630(42.98+6.5 X 0.0)8=(21.88+29.8) 4 7.6=-(85.14) 4 3+.685.7=(3.44+20.5X 0.

13、32) 4 0.16=0.54 4 (8+.745.3) X 28.4=0.1 4 1 +-1 40 . 10=. (8 1.25+6.4) -14.88 4 2.4=(4-.32.01+ 2.2) 4 4=58.8 4(0.6 X 0).74 0.02=10.43.6 4(1.2+0.5) X 5=13.73.6 X 1.25+ 0.32 4 0.4=0.82.5 X+(69.728 4 3.2)=5.25.4 4 (3.9+40.86) X 0.8=19.28(37.62+20.76) - 0.042二(6.02 + 2.8 )- 0.4 - 2.05=3.27(71.2 - 71.2 X

14、 0.9) - 0.25=1.08(4.25-4.25 X 0.8- 1.7=1.461.52- 1.6 X55.7=3.8(0.25 +0.125) +(0.75 X 0.4)=20(4.8-4.8 X 0.5) - 2=0.8(25.3-9.7)- 0.3 X 7.6=5/658.8 ( 0.6 X 0)7 - 0.02=0.416.78-1.6 X 1.5 - 0.8=(53.73-17.49)18.64- 4.35 X220.9=80(9- 8.5) X4.76) - 0.仁 1.6(1.1-0.78) X(2.7-1.95) =0.06 X (10.-40.64) - 2=17.68

15、19.8+(3.749-0.299)- 2.3=8.6+15.41.5 X 1-0.6 - 2.4=0.64.32 X 15 葺12.1 - 0.85=5.68.74 - 8.74- 23+700 X 0.03=0.38+9.624.38 (36.94+34.3 X).=1.6 X (2.25+27.75- 1.5)=2.026.5 X (10-3.7)+2.98=4.75+8.44.5 X (0.75-0.356)+9.23=5.4+(0.63+129.79 (0.35 + 0.6) =X 0.2&3.7 - 4=X (3.2.99 - 2.3)= X (4.6 - 0.92+1.82)4)=0.7二-HD18 + 0.4=17.2-4.5 X 3)6- 0.32= X50.5-9.84 - 0.1 &(3.94+34.3 X).2 5+12.8 - 0.4 +7.(524 225X0.6) =22.5X4- 8=X(10.4+0.64) -0.92 (= 4.5+1.3 X)6-1.5= X(3.2-0.8) -1.2= X(22.86.