5.6×0.31-0.52怎么简算

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5.6×0.31-0.52怎么简算
5.6×0.31-0.52怎么简算

5.6×0.31-0.52怎么简算
5.6×0.31-0.52
=5.6×0.3+5.6×0.01-0.52
=1.68+0.056-0.52
=1.736-0.52
=1.216

5.6×0.31-0.52
=5.6×0.3+5.6×0.01-0.52
=1.68+0.056-0.52
=1.736-0.52
=1.216

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