(-0,3)²: 0,1-0,2³x(2½)² = ...
½x[(-1)⁸+(-1)⁸] = ...
(1⅓)³x(-3¾)²:3-(⅓)² = ...
Proszę o pełne obliczenia , chcę wiedzieć skąd się to wzięło :D
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a)
( - 0,3)²: 0,1 - 0,2³ x (2½)² = 0,09:0,1 - 0,008 x (2,5)² =
= 0,9 - 0,008 x 6,25 =
= 0,9 - 0,05 =
= 0,85
b)
½ x [( - 1)⁸ + ( - 1)⁸] = 0,5 x (1 + 1) =
= 0,5 x 2 =
= 1
c)
(1⅓)³ x ( - 3¾)²:3 - (⅓)² = (4/3)³ x ( - 15/4)² : 3 =
= (64/27) x (225/16) : 3 =
= (64/27) x (75/16) =
= 100/9