Question

8 2/5÷2 1/10+3 4/7×2/5

Answer 1

Ответ:

8 2/5:2 1/10+3 4/7×2/5

42/5:21/10+25/7×2/5

42/5×10/21+5/7×2

2×2+10/7

4+10/7

ответ:38/7 (5 3/7)