Question

rezolvati tot pls. Dau coroana daca pot.​

Answer 1

A

=-2•{-2•[-2•105+1]}+840

=-2•{-2•[-210+1]}+840

=-2•{-2•(-209)}+840

=-2•418+840

=-836+840

=4

B

=4•5•5+36÷(-3)²

=100+36÷9

=100+4

=104

C

=121+2•(-27)-(-5)•4

=121-54-20

=67-20

=47

D

=-216+1+9+4-1

=-215+9+4-1

=-206+4-1

=-202-1

=-203

F

={[3+17÷(-17)]+[1-4÷(-4)]}•10+3

={[3-1]+[1-1]}•10+3

={2+0}•10+3

=2•10+3

=20+3

=23

G

=16-40+4-75÷(-25)

=16-40+4-3

=-24+4-3

=-20-3

=-23

Sper ca te ajuta