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72x27x88÷(9x11x12)=72÷12x27÷9x88÷11 =6x3x8 =144
72x27x88÷(9x11x12)用简便计算72x27x88÷(9x11x12)用简便计算:72x27x88÷(9x11x12)=(72/12)*(27/9)*(88/11)=6*3*8 =18*8 =144
72x27x88÷(9X11x12)怎么自算72x27x88÷(9X11x12)=72x27x88÷9÷11÷12 =(72÷12)x(27÷9)x(88÷11)=6X3x8 =144
72x[(845-245)÷12]简便计算?72×600÷12 =72÷12×600 =6×600 =3600 这就是这类算式的计算方法和步骤。
从1乘到100?我有个简便点的算法`先算出从1乘到9 等于362880 10-19都提出来10 20-29都提出来20 ...90-99都提出来90 在交换位置 把提出来的10 20 ...90 再提出来10 就等于362880乘10 所以1乘到100就可以转化为 362880*10*362880 就是362880的平方*10 ``就可以用计算器算出来了吧`最后等于131681 ...
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