1.25乘3.5+4分之3乘1.5乘1.25%乘1.5怎样用简便运算

问题描述:

1.25乘3.5+4分之3乘1.5乘1.25%乘1.5怎样用简便运算

5/4 x 7/2 +3/4 x 3/2 x5/4x0.01 x3/2
=5/4(7/2 +3/4 x 3/2 x1/100x3/2)
=5627/1280

4.375+0.02109375=4.39609375