小数20道混合运算和简便算法五年级

1.120-36×4÷18+352.（58+37）÷（64-9×5）3.(6.8-6.8×0.55)÷8.54.0.12×4.8÷0.12×4.85.（3.2×1.5+2.5）÷1.6（2）3.2×（

我说了哈!8.76+2.43+7.572.5×8＋12.5×425×0.321.93+2.7+2.07+7.30.56×99+0.561.2×2.5×4(0.25+2.5+25)×0.412.5＋5×

 再答： 再答： 再答： 再答： 再答： 再答： 再答： 再答： 

题：5/9X(9/5+18)5/9X5/6+4/9÷6/5＝5/9×9/5＋5/9×18＝5/9×5/6＋4/9×5/6＝1＋10＝（5/9+4/9）×5/6＝11＝1×5/6＝5/613/14-15

1、1.25×17.6＋36.1÷0.8＋2.63×12.52、7.5×2.3＋1.9×2.53、1999＋999×9991.2×12+23×22.15×11+11×183.85÷5-15÷51.1/

25.44+5.6+4.56=25.44+4.56+5.6=30+5.6=35.612.3+7+0.7=12.3+0.7+7=13+7=20.

.(5.5+6.8×0.65)÷2.52.8.12×6.8÷0.12×12.83.（3.2×1.5+2.5）÷1.64.5.38+7.85-5.375.17.2÷0.8-1.26.0.68×1.9+0

小数乘除法计算题乘法：5.6×2.93.77×1.80.02×965.22×0.39.99×0.024.67×0.95×2.441.666×6.19.432×0.0025.6×6.54.88×2.95

12.3×4×0.2512.96－（9.6－1.52）1.2÷0.25＋1.3×4（4.8＋6.4）÷840.5÷0.81×1.058×4.3×12.5(9.6+3.2)÷0.8（300－94.8）÷

简便运算；6.9＋4.8＋3.10.456＋6.22＋3.7815.89＋(6.75－5.89)4.02＋5.4＋0.985.17－1.8－3.213.75－(3.75＋6.48)分数混合运算；3/7

0.42*1/2=0.36*0.5=0.51÷1.7=5.2÷0.13=99*1.01=13.5-2.8-7.2=32.8+19=1.06*0.4=2/5+3/5=1-7/8=6x+18=4825*0

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＝4

1、1/2×2/5＋9/10÷9/202、5/9×3/10＋2/7÷2/53、1/2＋1/4×4/5－1/154、3/4×5/7×4/3－1/25、23－8/9×1/27÷1/276、8×5/6＋2/

哪一题?

到数学书里面找吧

4.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.980.134

(8.125+11.875)×5÷124.25×8+60÷401000-8.76×5÷28.375×4-5÷2.55.5÷1.1+8.8×5（2.4+1.4）×（5-2）15.9×2+5÷51.25×

三角形的面积是25.6平方厘米,高是6.4厘米,底边长x厘米.=25.62、一个圆锥的体积是25.12立方分米,它的底面半径是x分米,高是6分米.=25.123、李娟同学买了2支圆珠笔与3本练习本,共

有否有相同的数,有否能通过小数点位移找到相同的数；靠敏锐的观察力；靠对乘法交换律、结合律,加法交换律、结合律等熟练地运用

嗯,应该是