来自黄娴的问题
【0.34×0.5×0.6的简便方法,1.2×2.5+0.8×2.5的简便方法,(0.8+0.2)×6.7的简便方法,99×1.45的简...0.34×0.5×0.6的简便方法,1.2×2.5+0.8×2.5的简便方法,(0.8+0.2)×6.7的简便方法,99×1.45的简便方法,99×1.45+3×1.4】
0.34×0.5×0.6的简便方法,1.2×2.5+0.8×2.5的简便方法,(0.8+0.2)×6.7的简便方法,99×1.45的简...
0.34×0.5×0.6的简便方法,1.2×2.5+0.8×2.5的简便方法,(0.8+0.2)×6.7的简便方法,99×1.45的简便方法,99×1.45+3×1.45-1.45×2的简便方法,99×1.45+1.45的简便方法,99×1.45+2×1.45-1.45的简便方法.
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2020-12-09 05:46