Pomocy .!! ;(
Zad.1. Oblicz :
a) √1 i 9/16 * (-2)do2 + 1,2 * 5/12 =
b) (3/4) do -1 potęgi - (-1 i 1/3) do 2 : 0,9=
c) 0,8 * 3/2 <dwa do potęgi2> - (-2) do 3 / 4 * 0,1=
d) (1 i1/3) do 2 * (- 1/3)do -2 - 1,9 do 0 * 3 do -1 =
Wiem, ze trochę źle rozpisane ale . . . oj tam oj tam . . . ;P
Proszę o rozwiązanie .!!! ;*** ;(
Do jutra rano .! :(
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a) √1 i 9/16 * (-2)² + 1,2 * 5/12 =
= √25/16 * 4 + 12/10 * 5/12 =
= 5/4 * 4 + 1/2 =
= 5 + 1/2 =
= 5,5
b) (3/4)⁻¹ -(-1 i 1/3)² : 0,9 =
= (4/3)¹ -(-4/3)² : 0,9 =
= 4/3 - 16/9 : 9/10 =
= 4/3 - 16/9 : 9/10 =
= 4/3 - 160/81 =
= 108/81 - 160/81 =
= -52/81
d) (1 i 1/3)² * (-1/3)⁻² - 1,9⁰ * 3⁻¹ =
= (4/3)² * (-3)² - 1 * 1/3 =
= 16/9 * 9 - 1/3 =
= 16 - 1/3 =
= 15 i 2/3
C nie wiedziałam ;d