Răspuns :
20+36+c=148
56+c=148
c=148-56
c=92
d-2x(960-9)+5=75
d-2x 951+5=75
d-1902+5=75
d-1907=75
d=1907+75
d+1982
56+c=148
c=148-56
c=92
d-2x(960-9)+5=75
d-2x 951+5=75
d-1902+5=75
d-1907=75
d=1907+75
d+1982
a)20+36+c=148
20+c=148/-36
20+c=112/-20
c=92
b)d-2*(960-9)+5=75
d-2*951+5=75
d-1902+5=75/-5
d-1902=70/+1902
d=1972
Sper ca e de ajutor :)
20+c=148/-36
20+c=112/-20
c=92
b)d-2*(960-9)+5=75
d-2*951+5=75
d-1902+5=75/-5
d-1902=70/+1902
d=1972
Sper ca e de ajutor :)