101×4.8
=(100+1)×4.8
=100×4.8+4.8
=480+4.8
=484.8
101接近100,把101拆成100+1,再用乘法分配律进行简便
简便计算过程方法如下
解:101×4.8
=(100+1)×4.8
=100×4.8+1×4.8
=480+4.8
=484.8
原式=(100+1)×4.8
=100×4.8+1×4.8
=480+4.8
=484.8
101ⅹ4.8
=(100x1)ⅹ4.8
=100x4.8+4.8
=480+4.8
=484.8
=(100+1)x4.8
=100×4.8+1×4.8
=480×4.8
=484.8