Răspuns :
Răspuns:
1. a=2×237 =>a=474
2. D:12=13 rest 5 =>D=12×13+5 =>D=161
3. 224:4=56
4. 2×(x+13)=84
x+13=84:2
x+13=41
x=41-13
x=28
6. 2×[42:6+(12+2)×8]=
2×(7+112)=
2×119=
238
Răspuns:
1. a=2×237 =>a=474
2. D:12=13 rest 5 =>D=12×13+5 =>D=161
3. 224:4=56
4. 2×(x+13)=84
x+13=84:2
x+13=41
x=41-13
x=28
6. 2×[42:6+(12+2)×8]=
2×(7+112)=
2×119=
238