Question

Скоротити дроби:
а)12/15;
б)32/48;
в)9•2•3/8•18•21.

Answer 1

Ответ:

12/15= 4/5

32/48= 8/12= 2/3

Answer 2

Ответ:

12/15 = (12 ÷ 3) / (15 ÷ 3) = 4/5

32/48 = (32 ÷ 16) / (48 ÷ 16) = 2/3

9•2•3/8•18•21=2•1•1/4•2•7=1/4•7=1/28

в 3 не впевнена