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Va rogggg repede,dau coroana

Va Rogggg Repededau Coroana class=

Răspuns :

Spaniolgeorgianaask

Răspuns:

S=1+2^1+2^2+2^3+....+2^100

S= 2^1+2^2+2^3+....+2^100+2^101

S= 1+2^1+2^2+2^3+...+2^100

S=(1+2^101)÷2

(2)

S=1+3^1+3^2+.....+3^50

S= 3^1+3^2+......+3^50+3^51

S=(1+3^51)÷2

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