2除8/15与9/16的积商是多少

问题描述:

2除8/15与9/16的积商是多少

(8/15)/2*(9/16)
=(4/15)*(9/16)
=3/20

20/3

8/15与9/16的积=3/10
2除3/10=20/3
所以商6余2

8/15 * 9/16 = 3/10
2/ (3/10)=20/3

2除8/15与9/16积
=2除3/10
=20/3
=6又2/3