Oblicz:
(0,5) do potęgi 3 + (1/3) do potęgi 2 =
(5 1/4 - 5,05) do potęgi 2 - 1/25 =
(0,1) do potęgi 3 + (0,2) do potęgi 2 =
2,5 * 4 1/2 - 5 17,20 : 0,9 =
3 * (1 2/3) do potęgi 2 - 2 * (0,5) do potęgi 3 =
(5/6 + 1/3) : (2 2/3 - 1,75) =
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a) 1/8 + 1/9 = 9/72 + 8/72 = 17/72
b) 1/1000 + 2/100 = 1/1000 + 20/1000 = 21/1000
c) 3* 25/9 - 2* 1/8 = 75/9 - 1/4 = 300/36 - 9/36 = 291/36 = 8 i 3/36 = 8 i 1/12
d) 1/25 - 1/25 = 0
e) 11,25 - 6,5 = 4,75
f) 7/6 : (8/3 - 7/4) = 7/6 : ( 32/12 - 21/12) = 7/6 : 11/12 = 14/11 = 1 i 3/11
chyba dobrze =)