求问GRE猴哥数学难题11217.The “bined age” of a group of people is the sum of the ages of all the people in the group.Which of the following groups had the greatest bined age in 1986? A.20-year-old males
网友回答
擦,这题有啥难的,就读个图,做个乘法呗.小学生的题.
不过,也看出来,老美的题真TMD实用,这TM才叫应用题呢.