53乘99用简便方法计算

Question

如题所述

Answer 1

53×99
=53×9×11
=477×11(一个数乘以11的简便方法是：两边一拉，中间相加)
=5247

Answer 2

53乘99
=53×（100-1）
=53×100-53
=5300-53
=5247

Answer 3

53×99
=53×（100-1）
=53×100-53×1
=5300-53
=5247本回答被网友采纳

Answer 4

53x99
=53x100-53
=5300-53
=5247