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Calculeaza respectand ordinea operatiilor.

a. 86 + 29 x 2

b. 84 -23 x 3 + 84

c.125+(64 -9) x 12


Răspuns :

a) 86+29×2= 86+58=144;
b) 84 - 23×3 + 84 =
84 - 69 +84= 99
c) 125 + (64-9) ×12= 125 + 55 ×12 = 125+ 660=785