Question

Efectuati calculele:

a)
x + 3x
5 5


b)
x 3-x
7 + 7

c)
x+2 x-1
x + x

d)
y 5y
4 + 4


y 2
y-2 + y-2​

Answer 1

Răspuns:

a) =11x

b)=15x

c)=10x

d)=9y

y)=y=2