1) 1,1,2,3,5,8,........,........ a) 13 , 25 b) 13 , 21 c) 31 , 21 2) 25,20,16,13,......, ..........  a) 11 , 10 b) 12 , 10 c) 13 , 10 3) (8X3)X5=.........X(3X5) a) 3 b) 5 c) 8 4) ( 4 X .......... ) X 78 = 7800 a) 25 b) 15 c) 10 5) Karşılaştır: X+14.........X +18 a) Daha büyük b) Daha küçük c) Eşittir

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