㈠ 63乘99简便运算
=63×(100-1)
=63×100-63×1
=6300-63
=6273
㈡ 63,乘以99,用简便方法计算
简便计算过程方法如下
解:63x99
=63x(100-1)
=63x100-63
=6300-63
=6237
㈢ 99X63,怎样用简便方法
99x63
=(100-1)x63
=100x63-63
=6300-63
=6237
㈣ 63×99简便计算怎么算
63×99=63×(100一1)=63×100一63×1=6300一63=6237