Tính
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1) Tính: a) \( 7.5 + (3.5 + 2 \frac{1}{3}) : (2^{7} - 4 \frac{1}{6}) \)
b) \( 5 \frac{1}{2} : (1 + \frac{1}{3}5) - (1 + \frac{1}{2 \cdot 6}) \cdots (1 + \frac{1}{2023}) \)
c) \( \delta = 1 - \frac{1}{2} + \frac{1}{3} - \frac{1}{4} + \cdots + \frac{1}{2025} \)
d) Tính \( (S - P) 2025 \)
P = \( \frac{1}{1013} + \frac{1}{1014} + \cdots + \frac{1}{2025} \)
S = \( (1 + \frac{1}{2} + \cdots + \frac{1}{n}) \)
Chú ý: \( \sqrt{\ 1 + \frac{3}{25}} \)
1) Tính: a) \( 7.5 + (3.5 + 2 \frac{1}{3}) : (2^{7} - 4 \frac{1}{6}) \)
b) \( 5 \frac{1}{2} : (1 + \frac{1}{3}5) - (1 + \frac{1}{2 \cdot 6}) \cdots (1 + \frac{1}{2023}) \)
c) \( \delta = 1 - \frac{1}{2} + \frac{1}{3} - \frac{1}{4} + \cdots + \frac{1}{2025} \)
d) Tính \( (S - P) 2025 \)
P = \( \frac{1}{1013} + \frac{1}{1014} + \cdots + \frac{1}{2025} \)
S = \( (1 + \frac{1}{2} + \cdots + \frac{1}{n}) \)
Chú ý: \( \sqrt{\ 1 + \frac{3}{25}} \)