小学五年级小数计算题.docx
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小学五年级小数计算题
小学五年级小数计算题
1、用竖式计算
0.396÷1.2=0.756÷0.36=15.6×13=
0.18×15=0.025×14=3.06×36=
0.04×0.12=3.84×2.6≈5.76×3=
(保留一位小数)
7.15×22=90.75÷3.3=3.68×0.25=
16.9÷0.13=1.55÷3.9=3.7×0.016=
13.76×0.8=5.2×0.6=8.4×1.3=
6.4×0.5=4.48×0.4=5.25×5=
35.4×4.2=0.042×0.54=0.76×0.32=
0.25×0.046=2.52×3.4=1.08×25=
0.12×1.6=4.8×0.25=0.125×1.4≈
(保留两位小数)
2.5÷0.7=10.1÷3.3=0.43×0.28=
(保留三位小数)(商用循环小数)
10.75÷12.5=3.25×9.04=
(用乘法验算)(用除法验算)
0.43×0.28=6.45×0.73=4.6×0.6=
8.9×0.05=3.08×0.43=1.5×26.7=
5.22÷29=18.72÷3.6=13.95÷3.1=
7.15×22= 90.75÷3.3 = 3.68×0.25=
2、脱式计算(能简算的要简算)
2.5×7.1×416.12×99+16.125.2×0.9+0.9
7.28×99+7.284.3×50×0.264-2.64×0.5
26×15.7+15.7×24(2.275+0.625)×0.28
3.94+34.3×0.21.2×(9.6÷2.4)÷4.8
8.9×1.1×4.72.7×5.4×3.93.6×9.85-5.46
8.05×3.4+7.66.58×4.5×0.92.8×0.5+1.58
32+4.9-0.94.8-4.8×0.5(1.25-0.125)×8
4.8×100.156.5×99+56.57.09×10.8-0.8×7.09
4.85+0.35÷1.48.7×17.4-8.7×7.4
12.5×0.4×2.5×80.87×3.16+4.649.5×101
0.68÷(5.2-3.5)×1.2540.5÷0.81×0.18
4.8×(15÷2.4)2.13.×0.×8257
6.81+6.81×990.25×185×404.4×0.8-3.4×0.8
(9.37+9.37+9.37+9.37)×2.54.2.×1.+1.×1.75
2.37×6.3+2.37×3.72.5×1.25×0.323.8×10.1
2.5×(3.8×0.04)7.69×1010.25×39+0.25
0.125×7246×0.33+54×0.330.25×185×40
(8×5.27)×1.256.81+6.81×993.94+34.3×0.2
6.8×0.75÷0.53.75÷0.125–2.751.53+23.4÷7.2
9.5×9913.5×0.9812.5×8.8
6.81+6.81×99 0.25×185×402.08×(9.6÷2.4)÷4.8
二、解方程:
54-X=247X=495.6x+4.4x=5.2
13+A=28.52.4X=26.47.5x-3x=18
5×1.3-2x=5.524x+6x=63.66×5+2X=44
5×1.3-2x=5.5 24x+6x=63.614X-8X=12
20X-50=5028+6X=8832-22X=10
3X+5X=4810X×(5+1)=6099X+X=100
X+3=18X-6=1256-2X=20
4y+2=6x+32=763x+6=18
16+8x=402x-8=84x-3×9=29
8x-3x=105x-6×5=42x+5=7
2x+3=1012x-9x=96x+18=48
56x-50x=305x=1578-5x=28
32y-29=35x+5=1589x-9=80
100-20x=2055x-25x=6076y-75=1
23y-23=234x-20=080y+20=100
53x-90=162x+9x=1112y-12=24
80+5x=1007x-8=665x+35=100
19y+y=4025-5x=1579y+y=80
42x+28x=1403x-1=890y-90=90
80y-90=7078y+2y=16088-x=80
9-4x=120x=4065y-30=100
51y-y=10085y+1=-8645x-50=40