问题描述：
12.5×6.787×1/8+1.25×678.75×0.125+0.125×533.75×1/8简便方法
最佳答案： 解：
12.5×6.787×1/8+1.25×678.75×0.125+0.125×533.75×1/8
=1/8x(12.5×6.787+1.25×678.75+0.125×533.75)
=1/8x[12.5×(6.787+67.875+5.3375)]
=0.125x12.5x79.9995
=0.125x12.5x（80-0.0005）
=0.125x1000-0.00078125
=125-0.00078125
=124.99921875
