Question

1.19/25+(1/15+1/25)
2.(19/28+1/7)-13/28 надо решить удобным способом​

Answer 1

Ответ:

1.) 19/25+8/75 = 13/+15

2.) 23/28-13/28 = 5/14

Answer 2

19/25+(1/15+1/25)=19/25+8/75=13/15

(19/28+1/7)-13/28=23/28-13/28=5/14