Odpowiedź :
1. Oblicz;
2⁻² : (2² : 2⁵) ⁻¹ 2⁻² ÷ (2⁻³)⁻¹ 2⁻² ÷ 2³ 2⁻⁵
------------------- = ---------------- = ------------ = ------ = 2⁻¹⁷ =
2 ⁻³ * 2 ⁻⁴ 2¹² 2¹² 2¹²
= ¹/₁₃₁₀₇₂
2. Zastosuj własności potęg i pierwiastków i oblicz:
a) (2/7)⁵ : (- 1/7)⁵ = (²/₇ ÷ ¹/₇)⁵ = 2⁵ =32
b) (³√3)¹² = 3⁴ = 81
3. Oblicz wartość wyrażeń pamiętając o kolejności.
(1 ½)² + ½ * (-4)⁰ = ⁹/₄ + ½ * 1 = ⁹/₄ + ½ = ¹¹/₄ = 2 ³/₄
2⁻² : (2² : 2⁵) ⁻¹ 2⁻² ÷ (2⁻³)⁻¹ 2⁻² ÷ 2³ 2⁻⁵
------------------- = ---------------- = ------------ = ------ = 2⁻¹⁷ =
2 ⁻³ * 2 ⁻⁴ 2¹² 2¹² 2¹²
= ¹/₁₃₁₀₇₂
2. Zastosuj własności potęg i pierwiastków i oblicz:
a) (2/7)⁵ : (- 1/7)⁵ = (²/₇ ÷ ¹/₇)⁵ = 2⁵ =32
b) (³√3)¹² = 3⁴ = 81
3. Oblicz wartość wyrażeń pamiętając o kolejności.
(1 ½)² + ½ * (-4)⁰ = ⁹/₄ + ½ * 1 = ⁹/₄ + ½ = ¹¹/₄ = 2 ³/₄
g = 2⁻² : (2² : 2⁵) ⁻¹
⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻ =
d = 2 ⁻³ * 2 ⁻⁴
g = 2⁻² : (2² : 2⁵) ⁻¹ = 2⁻² : ( 2⁻³) ⁻¹ = 2⁻² : = 1/4 * 8/1 = 2
d = 2 ⁻³ * 2 ⁻⁴ = 2^-7 = 128
2/128 = 1/64
a) (2/7)⁵ : (- 1/7)⁵ = (2/7*(-7/1))⁵ = -32
b) (³√3)¹² = ³√531 441 = 27
(1 ½)² + ½ * (-4)⁰ =4/9 + 1/2*1 = 8/18 + 9/18 = 17/18
⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻ =
d = 2 ⁻³ * 2 ⁻⁴
g = 2⁻² : (2² : 2⁵) ⁻¹ = 2⁻² : ( 2⁻³) ⁻¹ = 2⁻² : = 1/4 * 8/1 = 2
d = 2 ⁻³ * 2 ⁻⁴ = 2^-7 = 128
2/128 = 1/64
a) (2/7)⁵ : (- 1/7)⁵ = (2/7*(-7/1))⁵ = -32
b) (³√3)¹² = ³√531 441 = 27
(1 ½)² + ½ * (-4)⁰ =4/9 + 1/2*1 = 8/18 + 9/18 = 17/18
1)
2⁻²:(2⁻³)⁻¹ 2⁻²:2³ 2⁻¹
------------- = ----------- = ------------- = 2⁻¹: 2⁻⁷= 2⁶
2⁻⁷ 2⁻⁷ 2⁻⁷
2)
a) 2√7⁵: -1√7⁵= -2√7⁵
b) ³√3¹²= ³√531441=81
3) (1½)² + ½ * (-4)⁰= 1+½*1=1½
Pozdrawiam ;)
2⁻²:(2⁻³)⁻¹ 2⁻²:2³ 2⁻¹
------------- = ----------- = ------------- = 2⁻¹: 2⁻⁷= 2⁶
2⁻⁷ 2⁻⁷ 2⁻⁷
2)
a) 2√7⁵: -1√7⁵= -2√7⁵
b) ³√3¹²= ³√531441=81
3) (1½)² + ½ * (-4)⁰= 1+½*1=1½
Pozdrawiam ;)