1.25×3.2×0.25

靳贪瞿82912.5乘3.2两种以上的简便方法计算 -
闾钧习19649371823 ______[答案] 1、12.5*3.2 =(12+0.5)*(3+0.2) =36+1.5+2.4+0.1 =36+4 =40 2、12.5*3.2 =12.5*3+12.5*0.2 =37.5+2.5 =40 3、12.5*3.2 =10*3.2+2*3.2+0.5*3.2 =32+6.4+1.6 =32+8 =40

靳贪瞿8291.25*3.2简便方法是 -
闾钧习19649371823 ______ (1+0.25)X(3十0.2)

靳贪瞿8291.25*3.2*o.25 的简便计算 -
闾钧习19649371823 ______ 1.25*3.2*o.25 =1.25*(0.8*4)*0.25 =(1.25*0.8)*(4*0.25) =1*1 =1

靳贪瞿8291.25*3.2*2.5怎么脱式计算 -
闾钧习19649371823 ______ 解:1.25*3.2*2.5 =1.25*(8*0.4)*2.5 =1.25*8*(0.4*2.5) =10*1 =10

靳贪瞿82912.5乘3.2如何简便计算
闾钧习19649371823 ______ 解答如下: 解法一 12.5*3.2 解法二 12.5*3.2 =(12+0.5)*3.2 =(12+0.5)*(3+0.2) =12*3.2+0.5*3.2 =12*3+0.5*3+12*0.2+0.5*0.2 =38.4+1.6 =36+1.5+2.4+0.1 =40 =40 希望对你有所帮助,望采纳!谢谢

靳贪瞿82912.5乘3.2两种以上的简便方法计算 -
闾钧习19649371823 ______ 1、12.5*3.2 =(12+0.5)*(3+0.2) =36+1.5+2.4+0.1 =36+4 =40 2、12.5*3.2 =12.5*3+12.5*0.2 =37.5+2.5 =40 3、12.5*3.2 =10*3.2+2*3.2+0.5*3.2 =32+6.4+1.6 =32+8 =40

靳贪瞿8291.25*0.25*3.2怎么简便运算 -
闾钧习19649371823 ______ 1.25*0.25*3.2 = 1.25*0.25*4*0.8 = (1.25*0.8)*(0.25*4) = 1*1 = 1

靳贪瞿829(12.5➖0.25)x3.2 能不能巧算,如果能,请写出简便 -
闾钧习19649371823 ______ (12.5*0.25)*3.2=(12.5*0.25)*(0.8*4)=(12.5*0.8)*(0.25*4)=10*1=10

靳贪瞿829五年级0·25乘以3·2简便计算怎么做 -
闾钧习19649371823 ______[答案] 0.25*3.2=0.25*2+0.25*1+0.25*0.2=0.5+0.25+0.05=0.8

靳贪瞿8291.25成3.2成0.5成0.5怎麽简便 -
闾钧习19649371823 ______ 1.25*3.2*0.5*0.5=1.25*0.8*4*0.5*0.5=(1.25*0.8)*(2*0.5)*(2*0.5)=1*1*1=1