327×2-2-2×128简便计算
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答案396,计算过程 327x2-2-128x2 =2x(327-1-128) =2x198 =2x(200-2) =2x200-2x2 =400-4 =396
咨询记录 · 回答于2023-02-03
327×2-2-2×128简便计算
好了没
你好,同学,麻烦把原题的截图发出来,这样能够快速有效地解决问题
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答案400,计算过程。 327x2+2-2x128 =2x(327+1-128) =2x200 =400运用乘法分配律的逆运算
答案400,计算过程。 327x2+2-2x128 =2x(327+1-128) =2x200 =400运用乘法分配律的逆运算
327x2-2-128x2 =2x(327-1-128) =2x198 =2x(200-2) =2x200-2x2 =400-4 =396
327x2-2-128x2 =2x(327-1-128) =2x198 =2x(200-2) =2x200-2x2 =400-4 =396
答案396,过程327x2-2-128x2 =2x(327-1-128) =2x198 =2x(200-2) =2x200-2x2 =400-4 =396
答案396,计算过程 327x2-2-128x2 =2x(327-1-128) =2x198 =2x(200-2) =2x200-2x2 =400-4 =396