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数学题递等式题!2.22×3.6+8.88×1.6
怎样简便就怎样算
人气:451 ℃ 时间:2020-05-06 13:47:33
解答
2.22*3.6+2.22*4*1.6
=2.22*3.6+2.22*6.4
=2.22*(3.6+6.4)
=2.22*10
=22.2
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