1. Tính nhanh:
\(B=\left(1+\dfrac{1}{9}\right)\)x \(\left(1+\dfrac{1}{15}\right)\)x \(\left(1+\dfrac{1}{24}\right)\)x -x \(\left(1+\dfrac{1}{440}\right)\)x \(\left(1+\dfrac{1}{483}\right)\)
Loga
Toán lớp 6
