作业帮[(3a-2b)^2-(3a+2b)(3a-2b)]÷（2b-3a)
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/30 09:49:41
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[(3a-2b)^2-(3a+2b)(3a-2b)]÷（2b-3a)
[(3a-2b)^2-(3a+2b)(3a-2b)]÷（2b-3a)
[(3a-2b)^2-(3a+2b)(3a-2b)]÷（2b-3a)
[(3a-2b)^2-(3a+2b)(3a-2b)]÷（2b-3a)
=(3a-2b)^2÷（2b-3a)-(3a+2b)(3a-2b)÷(2b-3a)
=[(-1)*（2b-3a)]^2÷(2b-3a)-(3a+2b)*[-1*（2b-3a)]÷(2b-3a)
=(-1)^2*（2b-3a)^2÷(2b-3a)+(3a+2b)*（2b-3a)÷(2b-3a)
=(2b-3a)+(3a+2b)
=4b
=-[(3a-2b)^2-(3a+2b)(3a-2b)]÷（3a-2b)
=-(3a-2b)+(3a+2b)
=4b
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2a(a-b)-3b(2a-b)咋做化简！！！