Question

ajutor trebuie facut pana maine​

Answer 1

Răspuns:

a) -3+5×(-3)=-3+(-15)=-18

b) -2×(-6)+(-2)×(-4)=12+8=20

c) 7×14-(-14)×7=98-(-98)=196

e)-23×7+(-23)×(-9)-(-23)×(-8)=-161+207-184=-134

f) 32×51+47×64-51×23-64×47=1632+3008-1173-3008=459

g)-15×(-32)+(-15)×5+4×(-27)-(-11)×(-27)=480+(-75)+(-108)-297= 405+(-405)=0

d)-5×27=6×27-27

-135=162-27

-135=135==>0