Предмет: Математика, автор: Nastysy1

АС=21.Відрізок АВ на 3 см коротшим від відрізка ВС.АВ-? ВС-?

Retonter: познач как самый лутшый

Retonter: и постав ❤

Retonter: спасибо ))))

Ответы

Автор ответа: Retonter

6

х+х+3=21
2х=18
х=9
В. АВ=9 ; ВС=9+3=12

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