麻烦各位数学能手给做一下,谢谢!-13x2/3-0 - 知识问答

麻烦各位数学能手给做一下,谢谢!-13x2/3-0.34x2/7-1/3x(-13)-5/70x3.4

6个回答

-13x2/3-0.34x2/7-1/3x(-13)-5/70x3.4
=-13x2/3-1/3x（-13）-0.34x2/7-5/70x3.4
=-13x(2/3-1/3)-0.34x(2/7+5/7)
=-13x1/3-0.34x1
=-13/3-0.34
=-701/150

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