36*【1/2+3/4+5/9】 简便计算怎么算
人气:416 ℃ 时间:2020-01-26 04:46:19
解答
36×(1/2+3/4+5/9)
=36×1/2+36×3/4+36×5/9
=18+27+20
=65
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