b) 6 . {[(75 - 5.13). 5 - 43] · 7+1}.​

Răspuns :

Răspuns:

6 ×{[(75 - 5.13)×5 - 43] × 7+1}.=6×(69,87×5-43)×7+1=12.867,7

Răspuns:

6×{[(75-65)×5-43]×7+1}=

6×[(10× 5-43)×7+1]=

6×[(50-43)×7+1]=

6×(7×7+1)=

6×(49+1)=

6×50=

300