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Calculeaza , respectand regurile invatate . a) 13×4-72:2 b)96 :4×3-48:2×2. c) 924-5×(45:3+7×24)

Răspuns :

a) (13×4)-(72:2)= 52 - 36=16
 b)(96 :4)×3-(48:2)×2= (24x3)- (24 x2)=72-48=24
 c) 924-5×(45:3+7×24)= 
924-5×(15+168)=924-5×183=924-915=9