Question

99×23，用简便方法怎么写？

Answer 1

99×23
=（100-1）×23
=100×23-1×23
=2300-23
=2277
99接近100，把99写成100-1，再用乘法分配律，进行简便

Answer 2

你好，这道题的简便算法如下：
99×23
=(100-1)×23
=100×23-1×23
=2300-23
=2277
望采纳。

Answer 3

把式子看成（100-1）×23，然后按照乘法分配律拆开括号得
=100×23-1×23
=2300-23
=2277

Answer 4

99×23
=（100-1）*23
=2300-23
=2277

Answer 5

=100×23-1×23
=2300-23
=2277