16/23¤27+16¤19/23 (¤代表乘号)要简便!

问题描述:

16/23¤27+16¤19/23 (¤代表乘号)要简便!

16/23×27+16×19/23
=16/23×27+19×16/23
=16/23×(27+19)
=16/23×46
=16×2
=32