а) 7 2/13*2 = 14 4/13;

б) 5 7/16*8 = 40 56/16 = 43 8/16 = 43 1/2;

в) 8 3/28*5 = 40 15/28;

г) 5*3 1/5 = 15 5/5 = 16;

д) 6 3/8*2 = 12 6/8 = 12 3/4;

е) 9 2/9*9 = 81 18/9 = 83.

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