环球科学

答案 | 使等式成立

请移动两根火柴棍,使这个等式成立。

Illustration of 18 matches arranged at right angles to show the mathematical expression “seven ninths equals three.”


答案:

在此提供一种解决方案

Illustration of 18 matches arranged at right angles to show the mathematical expression “one third equals three to the power of negative one.”