oblicz:
A.(1/5)do potęgi -1 +(1/5) do -2
B.(1/3 - 1/2) do -1
C.(1/3-1/5)do -3 : (1/5+1/3)-3
/ to jest kreska ułamkowa
a. - (1/5) - (1/10) = - (3/10)
b. (2/6 - 3/6 ) do -1 = -(1/6) do -1 = 1/6
c. (5/15 - 3/15) do -3 : (3/15 + 5/15) do -3 = 2/15 do -3 : 8/15 do -3 = (2/15 x 15/8) do -3 = 1/4 do -3 = - 1/64
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a. - (1/5) - (1/10) = - (3/10)
b. (2/6 - 3/6 ) do -1 = -(1/6) do -1 = 1/6
c. (5/15 - 3/15) do -3 : (3/15 + 5/15) do -3 = 2/15 do -3 : 8/15 do -3 = (2/15 x 15/8) do -3 = 1/4 do -3 = - 1/64
a. - (1/5) - (1/10) = - (3/10)
b. (2/6 - 3/6 ) do -1 = -(1/6) do -1 = 1/6
c. (5/15 - 3/15) do -3 : (3/15 + 5/15) do -3 = 2/15 do -3 : 8/15 do -3 = (2/15 x 15/8) do -3 = 1/4 do -3 = - 1/64