3 4 5 и 6 плиз плмлгите

Question

3 4 5 и 6 плиз плмлгите

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Answer 1

3) = -700ab

4) = -120kp

5) =4/3m*7 5/10n=4/3m*75/10n=4/3m*15/2n=10mn

6) =17/3*3/17х=х