45x48+90的简便运算方法?

2025-03-13 20:30:51
推荐回答(3个)
回答1:

简便计算过程方法如下
解:45×48+90
=45x48+45x2
=45x(48+2)
=45x50
=2250

回答2:

简便计算
45x48+90
=45x48+45x2
=45x(48+2)
=45x50
=2250

回答3:

45x48+90
=45x48+45x2
=45x(48+2)
=45x50
=2250