Question

(4 25+3 45)-(12-8 15) решите пример

Answer 1

4 2/5 = 22/5
3 4/5=19/5
22/5+19/5=41/5
8 1/5=41/5
12= 60/5
60/5-41/5=19/5
41/5-19/5=22/5
Ответ 22/5 или 4 2/5