simple fraction

同根派生

Class allows for simple fraction arithmetic-- addition, subtraction, multiplication, and division.
这些可以完成简单的分形算术－加、、、。
Class allows for simple fraction arithmetic -- addition, subtraction, multiplication, and division.
这些可以完成简单的分形算术－－加、减、乘、除。
Rule 4.Always spell out simple fractions and use hyphens with them.
始终拼写那些简单的分数，并用短横来连接。
Almost a double square is also no good. If your layout is close to a simple fraction of the screen, such as a half, third, or fifth, adjust the layout so it is exactly a half, third, or fifth.
如果你要做的布局的大小差不多是屏幕的几分之一，比如半个、1/3个或1/5个，那么就一定要明确的要把它做成屏幕的半个、1/3个，或者1/5个。
A simple test will show if this is real gold.
简单的试验就能证明这是否是真金。