(5/12+1/27)x27+5/8(简便计算)
问题描述:
(5/12+1/27)x27+5/8(简便计算)
答
(5/12+1/27)x27+5/8
=5/12x27+1/27x27+5/8
=45/4+1+5/8
=12+7/8
=12又8分之7
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敬请及时采纳,在右上角点击“评价”,然后就可以选择“满意,问题已经完美解决”了.30x(4/5+5/6)(简便计算)=30×4/5+30×5/6=24+25=49采纳吧!