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1/23×(11+23)x11分之2?
2020-03-06 · 知道合伙人教育行家
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计算方法如下:
1/23×(11+23)×2/11
=1/23×11×2/11+1/23×23×2/11
=1/23×2+1×2/11
=2/23+2/11
=22/253+46/253
=68/253
1/23×(11+23)×2/11
=1/23×11×2/11+1/23×23×2/11
=1/23×2+1×2/11
=2/23+2/11
=22/253+46/253
=68/253
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