Question

-0,9*2/9+2 3/4:11/12=
-2 3/7+(-3 5/14)=

Answer 1

Пошаговое объяснение:

№1

1) -0,9 * 2/9 = -9/10 * 2/9 = -2/10 = -1/5

2) 2. 3/4 : 11/12 = 11/4 : 11/12 = 11/4 * 12/11 = 12/4 = 3

3) -1/5 + 3 = -1/5 + 2. 5/5 = 2. 4/5

№2

-2. 3/7 + (-3. 5/14) = -2. 3/7 - 3. 5/14 = -2. 6/14 - 3. 5/14 = -5. 11/14