VA ROG FRUMOS AJUTATI-MA !
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Imi pare rau dar la 3 Nu te pot ajuta
1.P=120
L=l×5
_______
l_____
L____/_______/______/_____/_______/
120:6=20(2l)
20:2=10(l)
120-20=100(2L)
100:2=50(L)
2.P=24cm
L:2=l
l×2=L
l______
L______/_______
24÷3=8(2l)
8:2=4(l)
8×2=16(2L)
16:2=8(L)