33x36+99x98的简便计算法

2025-04-13 04:28:01
推荐回答(2个)
回答(1):

33x36+99x98
=33x3x12+99x98
=99x12+99x98
=99x(12+98)
=99x110
=(100-1)x110
=100x110-1x110
=11000-110
=10890

回答(2):

33x36+99x98=33x36+33x3x98
=33x(36+3x98)
=33x(36+300-6)
=33x(30+300)
=33x30+33x300
=990+9900
=10890