Răspuns :
Răspuns:
59-x+5-10+5-12=20
59-x+5-10+5=20+12
59-x+5-10+5=32
59-x+5-10=32-5
59-x+5-10=27
59-x+5=27+10
59-x+5=37
59-x=37-5
59-x=32
x=59-32
x=27
Răspuns:
59-x+5-10+5-12=20
59-x+5-10+5=20+12
59-x+5-10+5=32
59-x+5-10=32-5
59-x+5-10=27
59-x+5=27+10
59-x+5=37
59-x=37-5
59-x=32
x=59-32
x=27