Question

Вычисли: а) 15 3/4 - (8 1/4 - 4 2/4 + 2) = ?б) (3 3/14 + 1 11/14) + 7 13/14 - (5 5/14 - 2 6/14) = ?​

Answer 1

А) 10
б) 10
Пошаговое объяснение:
а)8 1/4-4 2/4=3 3/4
3 3/4+2= 5 3/4
15 3/4-5 3/4 = 10
б) 3 3/14 +1 11/14= 5
5+ 7 13/14=12 13/14
5 5/14 - 2 6/14 = 2 13/14
12 13/14-2 13/14 = 10

Answer 2

Это правильно точно говоою

Answer 3

а) 15 + 3/4 - (8 + 1/4 - 4 + 2/4 + 2) = 15 + 3/4 - (8 + 1/4 - 6 + 2/4) = 15 + 3/4 - (8 - 6 + 1/4 + 2/4) = 15 + 3/4 - (2 + 3/4) = 15 + 3/4 - 2 - 3/4 = 15 - 2 + 3/4 - 3/4 = 13

б) (3 + 3/14 + 1 + 11/14) + 7 + 13/14 - (5 + 5/14 - 2 + 6/14) = (3 + 1) + (3/14 + 11/14) + 7 + 13/14 - (5 - 2) + (5/14 + 6/14) = 4 + 14/14 + 7 + 13/14 - 3 + 11/14 = 4 + 1 + 7 + 13/14 - 3 + 11/14 = 12 + 13/14 - 3 + 11/14 = 12 - 3 + 13/14 + 11/14 = 9 + 24/14 = 9 + 1 10/14 = 9 + 1 5/7 = 10 5/7