Question

2. Calculeaza folosind regulile învătate:
a) [ 90 + ( 10 + 50 x 2) +50]: 5 =
b) 1700+ [350 + 5 x ( 265 - 4 x 66 ) x 150] =
c) [(863-397):2+(968 540):2]x2 =
d) [ 675 - 126 x 3 + (426:3+ 108 x 2):21:4x6 =
e) {[(9x6-14) + 7 x 2]:2}+8 x 10 [(4 +23)2) = -buna dragi mei ma poate ajuta cineva cu aceste probleme​

Answer 1

a.(90+110+50)÷5=250÷5=50 doar asta am putut ca tre sa plec scz

Answer 2

Răspuns:

(90+110+50):5=(90+160):5=250:5=50

1700+[350+5×(265-264)×150]=1700+(350+5×1×150)=1700+(350+750)=1700+1100=2800