Question

Ajutatima !!!!!!! Exercitiile 1 si 2 !!!!!!!!!!

Answer 1

2)a)10+3x[11+3x(56-30)+8=
10+3x(11+3x26+8)=
10+3x(11+78+8)=
10+3x97=
10+291=301

b)[15x(720-609)-600]+45x13=
(15x111-600)+585=
1665-600+585=1650

c)6+5x{103+2x[25+6x59]=
6+5x[103+2x(25+354)]=
6+5x(103+2x379)=
6+5x(103+758)=
6+5x861=
6+4305


1)3457+143+350=3950

5347-145+32=5234

23x51+14x13=
1173+182=1355

24x27-20x15=
648-300=948

961:31=31

1600:1400=14