Question

2.Calculați

a) (+5)+(+3)=
b) (+4)+(-2) =
c) (-6)+(-1)=
d) (-6)+0=
e) (-10)+(-30)=
f) (-15)+(-5)=
g) (+17)+(-10)=
h) (+2)+(-1)=
i) (+7)+(-7)=
j) (-7)+(+4)=
k) (+15)+(+10)=
l) (-20)+(+10)=

3.Calculați

a) (+25)+(+10)+(+10)=
b) (-32)+(-23)+(-15)=
c) (+15)+(-13)+(-3)=
d) (-92)+(32)+(30)=
e(-101)+(102)+(-103)+(-104)=
f) (-10)+(+13)+(-16)+(+19)=
g) (+21)+(-22)+(-23)+(+24)=
h) (+12)+(-11)+(9)+(+7)
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Answer 1

Răspuns:

EXERCITIUL 2

a)8

b)2

c)-7

d)-6

e)-40

f)-20

g)7

h)1

i)0

j)-11

k)25

l)-10

EXERCITIUL 3

a)45

b)-70

c)-1

d)-30

f)

g)

h)