Question

Ajutor!Dau coronita!

Answer 1

Răspuns:

4. a -2+3×5

15-2

13

b. -7+4×(-2)

(-8)+(-7)

-15

c. -2-10:(-5)

-2-2

0

5. a .5x (-6) - 20 : (-2)

-30 +10

-20

b. -3x (-2)+24:(-6)

6+24 :(-6)

6-4

2

6. -5+(-2)×(4-8)

-5+(-2)×(-4)

-5+8

3

Answer 2

4.a) -2 + 3×5= -2+15=13

b)-7+4×(-2)= -7+(-8)= -7-8= -15

c)-2-10:(-5)=-3+2=0

d)-6-12:(+3)= -6-4=-10

e)-7+(-2)×(-9)= -7+ 18=25

f)-(-5)+(-24):(-8)=5+3=8

g) 12-(-20)×(-2)=12-(+40)=12-40= -28

h) 18-49:(-1)=18+49=50

i)5-60:3=5-20= -15

5.a)5×(-6)-20:(-2)= -30+10=-20

b)-3×(-2)+24:(-6)=6-4=2

c)-1×(+7)-50:(+25)= -7-2= -9

d)(-8):(-1)-(-18):(-3)= 8-6=2

e)(+34):(-2)+(-28):(-7)= -17+4= -13

f)(-26):(+2)-(-11)×(-4)= -13-44= -57

6.a)-5+(-2)×(4-8)= -5+(-2)×(-4)= -5+8= 3

b)-10+(-21)×(-7)= -10+147= 137

c)-17+(-24):(-12)= -17+2= -15

d)6-(-3)×(1-9)= 6-(-3)×(-8)= 6-24= -18

e)8-(-28)×(3-10)= 8-(-28)×(-7)= 8-196= -188

f)13-(+5):(7-12)=13-(+5):(-5)=13-(-1)=13+1=14