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[ 2 ori 3 +5 ori I] - 3 ori 2= 4 ori 5

Răspuns :

(2×3+5×l)-3×2=4×5
(6+5×l)-6=20
6+5×l=20+6
6+5×l=26
5×l=26-6
5×l=20
l=20÷5
l=4
(2×3+5×1)+3×2=4×5
(6+5)+6=20
11+6=20
17=20 Fals