[转帖]3/17北美

smart

3/17北美
Thank you for MBA8, the math J.J. is very helpful.

AI: A powerful business leader has far more opportunity to influence the course of a ommunity or a nation than does any government official..

AA: The practice of officially changing speed limits on the highways-whether by increasing or decreasing thm - is a dangerous one. consider what happened over the past decade whenever neighboring East Cambria changed its speed limits:......

PS.
1. 一個正方體 每邊長4, X and Y 是 其中兩邊的中點 (有圖) what is the length of the line segment of the endpoint of X and Y(it does not show in the graph)?

2. (X/X+Y)*10 + (Y/X+Y)*20 = k, X
3. Anny travels from City A to B in 4 hours with the average hour speed between 25 and 45; while Ross travels from City A to B on the same route in 2 hours with the average speed 45 and 65. The distance could be which of the following. a. 95, b. 115 c.160 e.180

4. What's the remiader when (7^4n+3)*6^n divided by 10? a.1, b.2, c.4, d.......