(1-0.65)*3.9=0.65х
3.9-2.535=0.65х
1.365=0.65х
х=1.365:0.65
х=2.1 см
ас=3.9
св=2.1
ав=6.0
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Answers & Comments
1-0.65-это х
(1-0.65)*3.9=0.65х
3.9-2.535=0.65х
1.365=0.65х
х=1.365:0.65
х=2.1 см
ас=3.9
св=2.1
ав=6.0