35×12835×28用简便方法怎么计算

35×12835×28用简便方法怎么计算
2025-01-28 10:05:32
推荐回答(2个)
回答1:

35×128-35×28
=35×(128-28)
=35×100
=3500

回答2:

35×12835×28
=35x(30-2)x12835
=(1050-70)x12835
=980x12835
=(1000-20)x12835
=12835000-256700
=12578300