ширина=х, длина=х+2,34. Р=2(х+х+2,34)=15,56
4х+2.34=15.56
4х=13.22
х=3.305см.-ширина, длина=3.305+2.34=5.545
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ширина=х, длина=х+2,34. Р=2(х+х+2,34)=15,56
4х+2.34=15.56
4х=13.22
х=3.305см.-ширина, длина=3.305+2.34=5.545