Question

255. Обчисли: 1)19/20-3/8-1/5;2)13/15-1/5+1/6;3)1/2-4/25+3/20.​

Answer 1

Ответ:

1) 19/20 - 3/8 - 1/5 = 83/40

2) 13/15 - 1/5 + 1/6 = 41/30

3) 1/2 - 4/25 + 3/20 = 3/10