Question

3. Să se efectueze:
a) -3+4.(-5) =
d) -15+5.(-2)
g) -15-3-(-2)=
b) 6+3.(-2) =
e) 6-3.(-4)=
h) 4-5.(-1) =
c) 7+4.(-3) =
f)-6-8 (-2) =

Answer 1

Răspuns:

a) -3+4×(-5)=-3-20 = -23

d) -15 + 5×(-2) = -15 - 10 = -25

g) -15-3×(-2)=-15 + 6= -9

b) 6+3(-2) = 6-6=0

e) 6-3×(-4) = 6+12=18

h) 4-5×(-1)= 4+5=9

c) 7+4×(-3)= 7-12 = -5

f) -6-8(-2) = -6+16 =10