Question

calculati: a) (-5)+(+10)
b) (-8)-(-2)
c)(-9)-(+2)
d) (-3)+(-11)

2. a) (-3)×(-7)
b)(+5)-(-6)
c)(+45):(+9)
d)(-80)×(+10)

3. (-3)³
b)-10²
c)(-5)²
d)(-1)²⁰¹⁹​

Answer 1

Răspuns:

a) 5

b) -6

c) -11

d) -14

2.

a) 21

b) 11

c) 5

d) -800

3.

a) -27

b) -100

c) 25

d) -1