1=18+а
2=10х+23
3=65+20с
4=28у-12
5=с+20
6=6х+14
7=69+22у
8=2с+3
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1=18+а
2=10х+23
3=65+20с
4=28у-12
5=с+20
6=6х+14
7=69+22у
8=2с+3
10)54+21а
11)30х-24
12)у+40
13)36-9у
14)60х-138
15)7х+35
16)3у-9
17)39в
18)26а
19)6х+14
20)22у-69