Question

помагите решите уровненик 1,3:3,9=x:0,6

Answer 1

13/10:39/10=х:6/10
13/10*10/39=х*10/6
13/39=х*10/6
Х=13/39:10/6=13/39*6/10=39/195=1/5

Answer 2

дробь

Answer 3

13

Answer 4

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Answer 5

10.

Answer 6

ясн