小数乘除法专项计算过关练习题(精).doc

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1、小数乘除法过关小数乘除法专项能力过关练习题一、用竖式计算下列各题（除不尽的保留三位小数）3.45×84   4.6×25     0.41×56 1.085×3050.076×24     2.3÷5.58.63×0.42  8.63÷0.42 0.38×2.61.24÷1.5　　3.2×1.8　　　0.32÷0.90.38×2.6214×0.372.6×251.06×300.156×15=24÷0.9=720×0.58=302×1.7=31.5×24.50.8×0.564.23×0.0280.63×1.0534.3÷0.2336×0.560.32÷0.26.

2、728÷3.22.35×84=28÷0.63=0.094÷0.12=3.04÷7.5=0.125×3.2=0.45÷92.06÷250.56×12324÷0.3716×0.2851.06×300.156×1524×0.9720×0.580.48÷456.32÷210.077×8918÷3.92.08×0.094.25×0.167.34×4.5 0.24×0.254.3×0.0150.067×0.530.56÷0.04527×0.43=1.08÷45=28×3.24=37.5÷6=1.56÷24=54÷36=3.65÷25=24.36÷12=540×0.72=0

3、.125×280=64×2.75=0.039÷15=1.35÷18=0.135÷15=162÷45=68.17÷34=170×0.35=36×3.75=84×0.69=15.45÷75=60.9÷15=0.73×203=2.85×47=5.98÷0.23    19.76÷5.213÷11＝162÷45二、脱式计算（能简算的要简算） 0.125×0.25×8×4    7.4×0.28+0.28×2.6 4.8×0.9+0.48       （4－0.4）×2.52.5×（0.77×0.4）  6.1×3.6＋3.9×3.6 （4+0.4）×2.5　　　　8×

4、7×0.125　　　10－2.3×1.23.9×9.9+0.39　　　　4.5×1.2＋2.3　　（0.4+1.25）×0.89.4×6.1×2.33.25×4.76－7.818.1×0.92＋3.931.5×1.3×42.7＋3.1＋2.9＋3.21.2×2.5＋0.8×2.50.78×10125÷0.25×668.04÷（0.21×3.6）0.486＋0.01＋3.9919.75÷2.5-3.551.25×11×4×0.85小数乘除法过关17.5×2.3-7.5×2.390÷25÷48.93×5.7＋8.93×3.3＋8.93小学五年级数学上期计算练习题集

5、2.5×4×12=0.9×0.8=7.5x-3x=a+3a+7a=1.05×100=1÷0.5=0.96÷3=1.47÷0.7=5.4÷6=128÷0.4=78÷0.6=9.6÷3.2=65÷0.05=54÷0.12=32÷0.4=36÷0.18=42÷0.003=78÷0.06=45÷0.005=81÷0.03=7.2÷0.002=1000÷1.25=10÷2.5=120÷0.024=7.5÷5=8.6÷0.002=0.0036÷3.6=2.5÷0.005=0.36÷0.0006=6.3÷21=8.6÷0.0043=46÷0.0023=9.8÷0.7=4.6

6、÷0.023=0.009÷0.005=39÷0.0003=133÷.0007=5.05÷0.5=123000÷1.23=0.00125÷50=5.6÷700=760÷0.008=4.329÷6=492÷0.004=18.63÷0.03=9.5×99=13.5×0.98=0.1-0.047=0.29÷2.9=3.4×0.2=0.57÷19=63+124+76=7.09×10.8=0.8×7.09=9.5×101=3.8×10.1=7.69×101=3.8×10.1=0.125×72=7×19+7=22.8÷3=5.98÷0.23=19.76÷5.2=3.81÷7

7、=32÷42=246.4÷13=2.17÷0.7=0.4÷0.01=5.3+6.7=5.4-3.6-1.4=30×0.01=15÷1.5=12.9-8.5=7.2×0.4=2.8×1.4=8+2-8+2=286+198=314-202=526+301=223-99=0.45×2.5＝0.8×1.25＝0.3×3.6＝0.3×0.3＝10×0.07＝0.3×1.4＝0.05×7＝0.92×0.4＝0.2×0.26＝0.14×4＝0.02×0.1＝1.2×0.3=2.5×0.4＝2.4×5＝0.22×4＝3.25×0.5=(180+20)÷5=1.7+0.43+3

8、.3=75×25×4=250－250÷