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(3.6×1/2/5×4)÷(0.35×1.8×1/2) 怎么简算?
人气:439 ℃ 时间:2020-06-06 21:11:21
解答
(3.6×1/2/5×4)÷(0.35×1.8×1/2)
=(3.6×5/2×4)÷(0.35×0.9)
=(3.6×10)÷(0.35×0.9)
=(3.6×10×1000)÷(0.35×0.9×1000)
=(36×1000)/(35×9)
=800/7
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