Răspuns :
a + b = 108
a - b = 42
~
a; b = ?
~
2a = 150 /:2
a = 75
b = 108 - 75
b = 33
/robertinni
a - b = 42
~
a; b = ?
~
2a = 150 /:2
a = 75
b = 108 - 75
b = 33
/robertinni
a=b+42
42
------------|--------| = a
------------ =b
108-42=66
66:2=33
b=33
a=33+42
a=75
42
------------|--------| = a
------------ =b
108-42=66
66:2=33
b=33
a=33+42
a=75