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verifica egaligatati si stabileste valoarea de adevar (A F) 6×(15×4)=(7×15)×4 (26×8) × 13> (8×26)×13 106×(10×2)< (2×106×10 ... (85×32):2=85×(32:2)

Răspuns :

6×(15×4)= 6×60=360 ; (7×15)×4= 105×4= 420 360=420 Fals. (26×8)×13 = 208×13= 2704 ; (8×26)×13= 208×13 = 2704 2704>2704 Fals. 106×(10×2)= 106×20= 2120 ; (2×106×10)= 212×10=2120 2120<2120 Fals. (85×32):2= 2720:2= 1360 ; 85×(32:2)= 85×16= 1360 1360=1360 Adevarat