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(2la puterea0+2la puterea1+2la puterea2+2la puterea3):5

(5la puterea0+5la puterea1+5la puterea2+5la puterea3):2la puterea2

(7la puterea0+7la puterea1+7la puterea2-5la puterea2):2la puterea4

(6la puterea0+6la puterea1+6la puterea2-5la puterea2):3la puterea2