Question

Exercițiul nr 9 și 10 plisss dau coroniță

Answer 1

9. a) 13•(5+21+40)=13•66=858
b) 437•(109+54+203)=437•366=159.942
c) 49•(135+27+11)=49•173=8.477
d) 2.011•(5+7+49+39)=2.011•100=201.100
e) 2•(1+2+3+4+5+6)=2•21=42
f) 13•(17+25)-42•11-2•41=13•42-42•11-2•41=42•(13-11)-2•41=42•12-2•41=2•(42•6-41)=2•(252-41)=2•211=422

10.a) a•(b+c)=6•157=942
b) a•(b-c)=25•147=3.675
c) a•(b+c+d)=14•59=826