Question

99✘37的简便运算怎么写？

Answer 1

99X37
=100X37-1X37
=3700-37
=3663

Answer 2

乘法分配律为：两个数的和与一个数相乘，先将它们与这个数分别相乘，再相加，积不变．即：（a+b）×c=a×c+b×c．反过来则：a×c+b×c=（a+b）×c
99×37
=( 100-1 ）×37
= 100×37-37
= 3700-37
= 3663