630×75加250×63用简便方法怎么算

630×75加250×63用简便方法怎么算
2025-12-14 20:31:40
推荐回答(2个)
回答1:

原式=63x10x75+250x63
=63x750+250x63
=63(750+250)
=63x1000
=63000

回答2:

630×75+250×63
=630×75+25×630
=630×(75+25)
=630×100
=63000