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b) asociativitatea
87 < (24 x 15) =
29
(53 x 40) =
71 x (18 x 29) =



Răspuns :

b)  asociativitatea

87 × (24 × 15) = 87 × 360 = 31 320

29 × (53 × 40) = 29 × 2 120 = 61 480

71 × (18 × 29) = 71 × 522 = 37 062