Question

3. Efectuati:
a) 1/3 - 3/4 + 5/6
b) 3/5 - 4/15 + 2/3
c) -1/2 +7/3 - 5/6
d) 5/8 -1/3 +7/6
e) 1/4 - 1/3 + 1/6
f) 2/3 + 5/4 - 17/12

6. Efectuati:
a) 0,2 - (+5,3) - (-4,1)
b) 3,5 + 2 + (-10,6) + (+0,4)
c) -2,(3) + 1 intreg si 1/3 - (-1)
d) 6,1 + [-1,(6)] - 4,1 + (+2/3)

Answer 1

Răspuns:

a) 1/3 - 3/4 + 5/6 = 5/12

b) 3/5 - 4/15 + 2/3 = 1

c) -1/2 +7/3 - 5/6 = 1

d) 5/8 - 1/3 +7/6 = 35/24

e) 1/4 - 1/3 + 1/6 = 1/12

f) 2/3 + 5/4 - 17/12 = 1/2

Explicație pas cu pas: