Question

efectuati calculele
URGENT, VA ROG FRUMOS, OFER COROANA ​

Answer 1

Răspuns:

Explicație pas cu pas:

a)

-2/7 + 5/7 = 3/7

b)

-4/3 - 70/3 = -74/3

c)

9/4 + 3/4 = 12/4 = 3

d)

1/3 - 1/6 = 2/6 - 1/6 = 1/6

e)

-2/5 + 7/10 = -4/10 + 7/10 = 3/10

f)

5/12 + 1/6 = 5/12 + 2/12 = 7/12

g)

-1/24 - 9/8 = -1/24 - 27/24 = -28/24 = -7/6

h)

4,5 - 1,5 = 3

i)

-7,7 + 2,8 - 9 = -4,9 - 9 = -13,9