_____ is the ball? It's under the bed.[ ]
A. Where
B. How
C. What
答案:A
小明和小亮比画片,小明的张数是小亮的3倍.小明将自己的40张画片给小亮,这时两人的画片数相等.原来两人各有多少张画片?(用方程解)
短少的含义?