Question

Care e raspunsul?va rog urgent!!!!

Answer 1

Răspuns:

Explicație pas cu pas:

0,(2) = 2/9

11/8 + 2/9 + 5/72 = 99/72 + 16/72 + 5/72 = 120/72 = 60/36 = 20/12 = 5/3

9*5/3 = 45/3 = 15

2^2 + 2*(2 + 2*3) = 4 + 2*8 = 4 + 16 = 20

5*2^3 = 5*8 = 40

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15/20 = x/40

x = 40*15/20 = 30