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计算,能简便的要简便.(44.6-42.8)÷(3.62+2.38) 4.8*9.9+0.48
人气:374 ℃ 时间:2020-03-30 02:47:02
解答
(44.6-42.8)÷(3.62+2.38)
=1.8÷6
=0.3
4.8*9.9+0.48
=4.8*9.9+4.8*0.1
=4.8*(9.9+0.1)
=4.8*10
=48
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