12x35+6x120简便计算
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答案1140,计算过程 12x35+6x120 =12x35+60x12 =12x(35+60) =12x95 =12x(100-5) =12x100-12x5 =1200-60 =1140
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12x35+6x120简便计算
答案1140,计算过程 12x35+6x120 =12x35+60x12 =12x(35+60) =12x95 =12x(100-5) =12x100-12x5 =1200-60 =1140
答案1140,计算过程 12x35+6x120 =12x35+60x12 =12x(35+60) =12x95 =12x(100-5) =12x100-12x5 =1200-60 =1140
答案1140,计算过程 12x35+6x120 =12x35+60x12 =12x(35+60) =12x95 =12x(100-5) =12x100-12x5 =1200-60 =1140
先运算乘法分配律的逆运算,在运用数学拆分的思想,95=100-5
答案1140,计算过程 12x35+6x120 =12x35+60x12 =12x(35+60) =12x95 =12x(100-5) =12x100-12x5 =1200-60 =1140