Răspuns :
a+b= 32
a=b+12
b+12+b=32
2b+12=32
2b=32-12
2b=20
b=20:2
b=10
a=b+12
a=10+12
a=22
a=b+12
b+12+b=32
2b+12=32
2b=32-12
2b=20
b=20:2
b=10
a=b+12
a=10+12
a=22
a+b=32
a+12=b
a=? b=?
a____
b_____12
32-12=20( S nouă)
20:2=10(a)
10+12=22(b)
a+12=b
a=? b=?
a____
b_____12
32-12=20( S nouă)
20:2=10(a)
10+12=22(b)