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X^2y-3x^2y10Y^2+0.5y^2-1/2a^2bc+1/2cba^21/4mn-1/3mn+7
题目详情
X^2y-3x^2y
10Y^2+0.5y^2 -1/2a^2bc+1/2cba^2 1/4mn-1/3mn+7
10Y^2+0.5y^2 -1/2a^2bc+1/2cba^2 1/4mn-1/3mn+7
▼优质解答
答案和解析
等于-2x^2y
10Y^2+0.5y^2 = 10.5y^2
-1/2a^2bc+1/2cba^2 = 0
1/4mn-1/3mn+7 = 7-1/12mn
10Y^2+0.5y^2 = 10.5y^2
-1/2a^2bc+1/2cba^2 = 0
1/4mn-1/3mn+7 = 7-1/12mn
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