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Calculeaza
A)2 la puterea a 3 +3la puterea a doua =???
B) 5 la puterea a 2— 2 la puterea a 4
C)5la puterea a 2 x 2la puterea a 2
D) 4la puterea a 3:2la puterea 4+9la puterea a 2:3la puterea a 3
Help pls