Răspuns:
2a+3=11
2a=11-3
2a=8
a=8:2
a=4
23-a=7
a=23-7
a=14
4x-3x+32=46
1x+32=46
1x=46-32
1x=14
x=14:1
x=14
46y-25=21
46y=25+21
46y=46
y=46:46
y=1
256-7y=137
7y=256-137
7y=119
y=119:7
y=17
105:x=15
x=105:15
x=7
1675-5b=965
5b=1675-965
5b=710
b=710:5
b=142
562×c=41588
c=41588:562
c=74
17a+25a+64=148
42a+64=148
42a=148-64
42a=84
a=84:42
a=2
144:a=12
a=144:12
a=12
Sport la temă ;)
Coroana?
