甲数比乙数多三分之一，甲数与乙数的比是____．
阅读短文，判断对（T）错(F)
I'm Lingling. I have got a new bike. It's a nice bike. I go to school by bike every day. My mother is a teacher. Her school is near our home. So she walks to work. My father is a doctor. He goes to work by car.
（i）根据图1表示数的方法，把图2答案写在括号里．
（ii）在格子图3里画点表示50．
