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b) 8+2 (2+2 x 2) -8+2x12+4)= 8+2x6-8+12= 20
dau coroniță la primul răspuns​
am nevoie urgent!!!!


Răspuns :

8+2×(2+2×2)-8+2×12+4

8+2×(2+4)-8+24+4

8+2×6-8+24+4

8+12-8+24+4

20-8+24+4

12+24+4

36+4

40