496×298−496简便计算方法?
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发布时间:2022-07-15 06:46
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热心网友
时间:2023-11-24 07:20
496×298−496简便计算方法?
496×298−496
=496×(298−1)
=496×(300−3)
=496x3(100-1)
=148800-1488
=147312
热心网友
时间:2023-11-24 07:21
原式=
496X(298-1)=496X(300-3)=148800-1488=147312
热心网友
时间:2023-11-24 07:21
496×298–496
=496×(298–1)
=496×297
=(500–4)×(300–3)
=500×300–500×3–4×300+12
=150000–1500–1200+12
=150000-2700+12
=147300+12
=147312
热心网友
时间:2023-11-24 07:22
496×298−496简便计算如下
496×298−496
=496x(298-1)
=496x297
=147312
热心网友
时间:2023-11-24 07:23
496×298−496
=496×(298-1)
=496×297
=(500-4)×(300-3)
=500×300-4×300-3×500+4×3
=150000-1200-1500+12
=150000-(1200+1500)+12
=150000-2000-700+12
=148000-700+12
=147300+12
=147312