user-avatar
346175483225545
2 năm trước
Cho A= ($\frac{1}{2^{2}}$-1).($\frac{1}{3^{2}}$-1).($\frac{1}{4^{2}}$-1)...($\frac{1}{40^{2}}$-1) So sánh A với $\frac{-1}{2}$
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

XI.Ask questions for parentheses 1.Jack is going (to the cinema) to watch his favorite film .......................................................................................... 2.Mary often does her homework (in the afternoon) ...................................................................................... 3.I often play football with (my friends) in the afternoon ............................................................................................ 4.He had a bad cold (last week) .................................................... 5.Quynh (felt) scared when she crossed the road .................................................................................. 6.She usually (does the housework)in the evening .................................................................................

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team