2.5+3.2=0.74+0.16=23×100= 9.8-4.8= 480÷40=0.53÷100=5.1+2.3=125×80=1×0.08=12.5×1= 0.125×()=112.5×)=10.25×4= 2.5×0....
(一)小数加减法计算3.2+0.36+4.8+1.640.456+6.22+3.786.9+4.8+3.11.29+3.7+2.71+6.30.398+0.36+3.644.02+5.4+0.9873.8-1.64-13.8-5.367.14-0.53-2.475.17-1.8-3.235.6-1.8-15.6-7.266.86-8...
加法结合律:1.83+3.97+0.1710-0.34-0.662.1+3.5+7.9+6.563.97-4.63-7.37乘法结合律:2.5X(1.32x0.4)12.5x(3.4x0.8)2.5x4.453.37+15.69-13.3780x4.76x1250.25x1.25x4...
五年级小数简便计算156.5-21.7-3.3-6.536.8-8.21+2.2112.5×32×2.510.1×564.5×45+4.5×54+4.512.5×0.32×2.5 9.98×6.20.32×45+0.32×54+0.3212.5×8.082.5×(33×44...
小数简便计算1.135+3.346+5.557+7.768+9.979 1.996+19.97+199.8 9.8+99.8+999.8+.8+.8 2.894.68+4.686.11+4.681.1+3.3+5.5+7.7+9.9+11.11+13.13+15.15+17.17+19....
五年级小数乘法的简便计算1、乘法交换律和结合律1.78×2.5×4 1.25×4.3×0.8 0.25×4.78×41.25×32×0.25 7.52、乘法分配律25×4.4 8.81.25×88 10.110.2×5.3...
小数简便计算练习题((共3篇))由网友“王颖”投稿提供,以下是小编整理过的小数简便计算练习题,欢迎阅读分享,希望对大家有帮助。篇1:小数简便计算练习题 1、3.248×1.26的...
小数乘法的简便计算一、乘法交换律 基本方法:先交换因数的位置,再计算。0.25×8.5×4 12.5×0.96×0.80.25×0.73×4 0.25×16.2×4二、乘法结合律 基本方法:先...
小数四则混合运算、简便计算练习题一、下面各题怎样算简便就怎样算。6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89)5.27+2.86-0.66+1.63 13.35-4.68+2.65 15.02-6.8-1.0273...
小数的简便计算例1、比较大小(1)2.6×1.01()2.6×0.99 (2)0.55×7.1()7.1 练一练、比较下面几组数据的大小2.86×2.12 2.12×1.82 1.82 1.82×0.99 例2、列竖式计算(1...
五年级数学简便计算练习卷6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89) 4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48) 3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3....