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Precizeaza daca propozitiile sunt adevarate sau false
a)339x12+32705:5=12300x6-12000:5
b)99693:3-66303:3=172800:100


Răspuns :

a) 4068+6541=73800-2400
10609=71400 F
b) 33231-22101=1728
11130=1728 F