68/17-(3.625-29/17)-43/8.
问题描述:
6
-(3.625-28 17
)-49 17
. 3 8
答
6
−(3.625− 28 17
)−49 17
3 8
=6
+ 28 17
-3.625-4.3759 17
=9-(3.625+4.375)
=9-8
=1.