68×37-37×47-37,的简便计算?

2025-03-12 03:55:18
推荐回答(3个)
回答1:

=37*(68-47-1)
=37*20
=740

回答2:

(68X37)一37Ⅹ47一37=(68一37一1)X37=1110

回答3: