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125÷﹙50÷6﹚怎样简便计算?
人气:153 ℃ 时间:2020-01-29 14:17:02
解答
125÷﹙50÷6﹚ = 125 x 6 ÷ 50 = 125 x 2 x 3 ÷ 50 = 250 x 3 ÷ 50 = (250 ÷ 50) x 3 = 5 x 3 = 15
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