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cum rezolv operatia:(318+159:3X4)-(602:7x5)=


Răspuns :

(318+53X4)-(86X5)=
(318+212)-430
530-430
100 
faci intii
159:3=53
53*4=212
602:7=86
86*5=430
318+53=371
371-430=......