[x^2-y^2)除以(x+y)]^2除以(x-y)计算题,符号用汉字说明,“^”是平方,跟在后面的是次数
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[x^2-y^2)除以(x+y)]^2除以(x-y)计算题,符号用汉字说明,“^”是平方,跟在后面的是次数
[x^2-y^2)除以(x+y)]^2除以(x-y)
计算题,符号用汉字说明,“^”是平方,跟在后面的是次数
[x^2-y^2)除以(x+y)]^2除以(x-y)计算题,符号用汉字说明,“^”是平方,跟在后面的是次数
(x^2-y^2)/(x+y)^2/(x-y)
=(x+y)(x-y)/(x+y)^2/(x-y)
=1/(x+y)
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保护好各个环节和规划局各国央行官员关於公布以后不服用方便雨啊分吧分吧暴发户并非伊娃并非因为哈饿部分银行挖饿饭吧啊无法把握报复iawfbhieawyfbyiaewfbawefawefyhbawyhefbwaeyhfbyebyewfbyw 俄方不饿我还有方便各位用户发vfvyefvwefvhedfhhsdfveyhfywefyeyfvyevywefvywefvye
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(x^2-y^2)/(x+y)^2/(x-y)
=(x+y)(x-y)*[1/(x+y)^2*[1/(x-y)]
=1/(x+y)