1/3x-(2x-2/3y²)+(-2/3x+1/3y²) 化简题
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1/3x-(2x-2/3y²)+(-2/3x+1/3y²) 化简题
还有三道先去括号,再合并同类型的题
(-2ab+3a)-(2a-b)+6ab
(x+y-z)+(x-y+z)-2(x-y+2z)
2x-[x-2(x-b)+b]
还有三道先去括号,再合并同类型的题
(-2ab+3a)-(2a-b)+6ab
(x+y-z)+(x-y+z)-2(x-y+2z)
2x-[x-2(x-b)+b]
1/3x-(2x-2/3y²)+(-2/3x+1/3y²) 化简题
=x/3-2x+2y²/3-2x/3+y²/3
=-7x/3+y²;
您好,很高兴为您解答,skyhunter002为您答疑解惑
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祝学习进步
再问: 再随便把三题也回答了吧,,,
再答: (-2ab+3a)-(2a-b)+6ab =-2ab+3a-2a+b+6ab =4ab+a+b; (x+y-z)+(x-y+z)-2(x-y+2z) =x+y-z+x-y+z-2x+2y-4z =2y-4z; 2x-[x-2(x-b)+b] =2x-x+2(x-b)-b =x+2x-2b-b =3x-3b;
=x/3-2x+2y²/3-2x/3+y²/3
=-7x/3+y²;
您好,很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,如果满意记得采纳
如果有其他问题请采纳本题后另发点击向我求助,答题不易,请谅解,谢谢.
祝学习进步
再问: 再随便把三题也回答了吧,,,
再答: (-2ab+3a)-(2a-b)+6ab =-2ab+3a-2a+b+6ab =4ab+a+b; (x+y-z)+(x-y+z)-2(x-y+2z) =x+y-z+x-y+z-2x+2y-4z =2y-4z; 2x-[x-2(x-b)+b] =2x-x+2(x-b)-b =x+2x-2b-b =3x-3b;
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