3(x-y)²·[-四分之十五(y-x)³][-三分之二(x-y)^4]来了就给赞!沙发给最佳!
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/14 14:54:30
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3(x-y)²·[-四分之十五(y-x)³][-三分之二(x-y)^4]来了就给赞!沙发给最佳!
3(x-y)²·[-四分之十五(y-x)³][-三分之二(x-y)^4]
来了就给赞!沙发给最佳!
3(x-y)²·[-四分之十五(y-x)³][-三分之二(x-y)^4]来了就给赞!沙发给最佳!
您好:
3(x-y)²·[-四分之十五(y-x)³][-三分之二(x-y)^4]
= - 3(x-y)²·[15/4(x-y)³]2/3[(x-y)^4]
= -15/2(x-y)^9
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