8xy-3x平方-5xy-2(3xy-2x平方)?

2025-04-27 18:50:29
推荐回答(2个)
回答1:

是去括号合并同类项么
8Xy一3X^2一5Xy一2(3Xy一2X^2)
=3Xy一3X^2一6Xy十4X^2
=X^2一3Xy

回答2:

8xy-3x平方-5xy-2(3xy-2x平方)=x 平方-xy