题目内容
若
(x-5)2+5|m|=0且-2a2by+1与3a2b3是同类项.求代数式0.375x2y+5m2x-{-
x2y+[-
xy2+(-
x2y-3.475xy2)]-6.275xy2}的值.
答案:250
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题目内容
若
(x-5)2+5|m|=0且-2a2by+1与3a2b3是同类项.求代数式0.375x2y+5m2x-{-
x2y+[-
xy2+(-
x2y-3.475xy2)]-6.275xy2}的值.