1, RMB, very easy to use, needed for shopping by car. One point, two points and five points, life doesn't need it anymore. Ten cents, twenty cents and fifty cents are all shopping change. Take a bus for one yuan and two yuan, and buy a schoolbag for 250 yuan. ? Make good use of every hundred-dollar bill. Without it, you can't do great things.

2. Conversion between yuan and angle: 1 yuan = 10 angle, 10 angle = 1 yuan.

3. Conversion of angle and minute: 1 angle = 10 minute, 10 minute = 1 angle.

4. Conversion between yuan and minutes: 1 yuan = 10, 1 0, 10 = 100,1yuan =/kloc-0.