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简便计算:(6.5×0.68×2.28)÷(1.3×1.7×0.
人气:155 ℃ 时间:2019-12-01 13:29:28
解答
(6.5×0.68×2.28)÷(1.3×1.7×0.19)
=6.5÷1.3x0.68÷1.7x2.28÷0.19
=5x0.4x12
=24
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