5.6x0.125，的简便运算是什么
把0.125，变成分数
那就是1/8
然后用5.6×1/8
就是0.7
5.6×0.125
=0.7×8×0.125
=0.7×(8×0.125)
=0.7×1
=0.7
5.6x0.125
=0.7×8×0.125
=0.7×（8×0.125）
=0.7×1
=0.7
5.6x0.125
=0.7x8x0.125
=0.7x（8x0.125）
=0.7x1
=0.7
5.6x0.125
=0.7x(8x0.125)
=0.7x1
=0.7
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