Предмет: Математика, автор: 122334455678

вычисли периметр треугольника ,длина сторон которого равна 2дм6см,5дм,3дм8см

Ответы

Автор ответа: GOGAPALKIN

0

1дм=10см
26см+50см+38см=96см периметр треугольника

Автор ответа: astar97

0

2дм6см=26см
5дм=50см
3дм8см=38см
Р=26+50+38=114(см)=11дм4см

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