29,30(б,в,г),32 срочно!!!

Question

29,30(б,в,г),32 срочно!!!

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Answer 1

29.HOK (ab) = 2*2*2*3*3*5*5*5 = 9000 ;

30. б) HOK (12;10) = 60; b) HOK (16;21) = 336;

г) HOK(110;160) = 1600;

32)  HOK (18;27) = 54; HOK(7885;4725) = 37256625.