78×37-37×68用简便方法计算

2024-12-30 14:38:55
推荐回答(5个)
回答1:

 

回答2:

 

回答3:

78×37-37×68
=(78-68)x37
=10x37
=370

回答4:

用37乘78-68的差:

回答5:

=37×(78-68)
=37×10
=370