Răspuns:
P=2l+2L
14=8+2l
2l=14-8=6
l=3 m latime
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Răspuns:
P=2l+2L
14=8+2l
2l=14-8=6
l=3 m latime
14=2•4+2•l
14=8+2•l
2•l=6
l=3
lățimea este 3 metri.
spor la teme! :D