Хелп а и б ..................

Question

Хелп а и б ..................

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Answer 1

А). √49/16-5*√1,44
7/4-5*√36/25
7/4-5*6/5
7/4-6
-17/4

б). √10/3*7,5
√10/3*15/2
√5*5
√5^2
5