简便算法45.2÷1.13×40.1

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简便算法45.2÷1.13×40.1简便算法45.2÷1.13×40.1简便算法45.2÷1.13×40.145.2÷1.13×40.1=40x40.1=40x(40+0.1)=40x40+40x0.

简便算法45.2÷1.13×40.1
简便算法45.2÷1.13×40.1

简便算法45.2÷1.13×40.1
45.2÷1.13×40.1
=40x40.1
=40x(40+0.1)
=40x40+40x0.1
=1600+4
=1604

45.2÷1.13×40.1
=(1.13×40)÷1.13×40.1
=40×40.1
=40×(40+0.1)
=40×40+40×0.1
=1600+4
=1604

545512%554554455。2124522455115

这还要用简便方法啊,一看不就知道了,45.2÷1.13=40,,40×40.1=1604

45.2÷1.13×40.1=40×40.1=40×(40+0.1)=1600+4=1604

对啦