Question

математика математика математика!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

Ответ:

7/12-5/12 =1/6

4/29+8/29-2/29=10/29

3/15+5/14=4/7

25/47-11/47-5/47=9/47

задача:

1)4/25+3/25=7/25

2)4/25+7/25=11/25

№3(не знаю)