Выполните умножение
1)√ab(√a+√b)
2)(√m-√n)√mn
3)(√x+√y)(2√x+√y)
4)(√a+√b)(3√a+2√b)
1)√ab(√a+√b)
2)(√m-√n)√mn
3)(√x+√y)(2√x+√y)
4)(√a+√b)(3√a+2√b)
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Answers & Comments
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Ответ:
1)√а2b+√ab2=a√b+b√a
2)√m2n-√mn2=m√n-n√m
3)2x+√xy+2√xy+y=2x+3√xy+y
4))3a+2√ab+3√ab+2y=3a+5√ab+2b