巧算
问题描述:
巧算
(3-51分之1)*17
99分之98*99
8分之5*6分之5+6分之1*8分之5
答
3×17-1/51×17
=51-1/5
=50.8
98
5/8×5/6+1/6×5/8
=5/8(5/6+1/6)
=5/8