Question

Plsss am nevoie pt maine la meditatii

Answer 1

7. (-5)×(+12):(-10)=

=(-60):(-10)=6

8. -12

9. -27

10. 10

13. b=[13+(-8+10)]:(-5)

b=(13+2):(-5)

b=15:(-5)

b= -3

2×b=

=2×(-3)= -6

Answer 2

Răspuns:

Explicație pas cu pas:

7

(-5)×12/(-10)=12/2=6

8

-12

9

-27

10

nr 10

11

(-2)³(-2)^4:(-2)^5=(-2)^(3+4-5)=(-2)²=4

12

a=(-3)^14·3^10:(-3)^17=3^24:(-3)^17=(-3)^7

13

b=(13+2):(-5)=-15:5=-3

2b=-6