Put a number of red, yellow, and blue balls of the same size in a pocket, so that the probability of drawing a yellow ball from the pocket is (1/5). Your method is as long as the total number of balls is yellow. how many times the ball
一个口袋中装入若干个大小相同的红、黄、蓝不同颜色的球，要使从口袋中摸出一个黄球的可能性是(1/5)，你的做法是只要球的总数是黄球的多少倍
<gadget id="calculator">5 / 1</gadget>
<output>5</output>

<result>5</result>