Pomożecie?
a] (1¾)⁶*(-²/₇)⁶
b] (0,8)⁴ / (2²/₃)⁴
c] (4½)³ *(-²/₃)³ *(-2)³
d] (2½)⁴ *0,6⁴ *(-¹/₁₅)⁴
Proszę pomóżcie bo ja tego nie kapuje ;/
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a] (1¾)⁶*(-²/₇)⁶=
[1¾ ·(-²/₇)] ⁶ =
[⁷/₄ · (-²/₇)]⁶ =
(-½)⁶ =
¹/₆₄
b] (0,8)⁴ / (2²/₃)⁴=
( 0,8 ÷ ⁸/₃)⁴ =
(⁸/₁₀ ÷ ⁸/₃)⁴ =
(⁸/₁₀ · ⅜)⁴ =
(³/₁₀)⁴ =
⁸¹/₁₀₀₀₀ =
0,0008
c] (4½)³ *(-²/₃)³ *(-2)³ =
[⁹/₂ · (-⅔) · (-2)]³ =
6³ =
216
d] (2½)⁴ *0,6⁴ *(-¹/₁₅)⁴ =
[⁵/₂ · ⁶/₁₀ · (-¹/₁₅)]⁴ =
(-¹/₁₀)⁴ =
¹/₁₀₀₀₀ =
0,0001