Question

Ma ajuta cineva cu 1 ? Va rog mult ​

Answer 1

Răspuns:

a)-3[1-3(-3+2×5)]

-3[1-3(-3+10)]

-3(1-3×7)

-3(1-21)

-3(-20)

=60

b)-5[-1+2(-7+3×5)+6]

-5[-1+2(-7+15)+6]

-5(-1+2×8+6)

-5(-1+10+6)

-5×21

= -105

c)-1[-8(-3+2×4)+6]-11

-1[-8(-3+8)+6]-11

-1(-8×5+6)-11

-1(-40+6)-11

-1(-34)-11

34-11

=23

d)-2[-5-1(-3+2×1)]-7(-1)

-2[-5-1(-3+2)]-7(-1)

-2[-5-1(-1)]+7

-2(-5+1)+7

-2(-4+7)

8+7

=15