Question

一个数比六分之五与八分之三的差多十二分之五,这个数是多少?急

Answer 1

5/6-3/8+5/12

=5/6+5/12-3/8

=5*（1/6+1/12）-3/8

=5/4-3/8

=10/8-3/8

=7/8