144/2= 72
х+7х=72
8х=72
х=72/8= 9
7х=7*9=63
Ответ: 7 м, 63 м
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144/2= 72
х+7х=72
8х=72
х=72/8= 9
7х=7*9=63
Ответ: 7 м, 63 м