一个盒子里装有若干个白球和黄球,再向盒子里放入4个红球,从中任意取出一个,拿到红旗的可能性是三分之一,拿到白球的可能性是二分之一.袋中装有黄球和白球个多少个
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 11:55:06
![一个盒子里装有若干个白球和黄球,再向盒子里放入4个红球,从中任意取出一个,拿到红旗的可能性是三分之一,拿到白球的可能性是二分之一.袋中装有黄球和白球个多少个](/uploads/image/z/6709437-45-7.jpg?t=%E4%B8%80%E4%B8%AA%E7%9B%92%E5%AD%90%E9%87%8C%E8%A3%85%E6%9C%89%E8%8B%A5%E5%B9%B2%E4%B8%AA%E7%99%BD%E7%90%83%E5%92%8C%E9%BB%84%E7%90%83%2C%E5%86%8D%E5%90%91%E7%9B%92%E5%AD%90%E9%87%8C%E6%94%BE%E5%85%A54%E4%B8%AA%E7%BA%A2%E7%90%83%2C%E4%BB%8E%E4%B8%AD%E4%BB%BB%E6%84%8F%E5%8F%96%E5%87%BA%E4%B8%80%E4%B8%AA%2C%E6%8B%BF%E5%88%B0%E7%BA%A2%E6%97%97%E7%9A%84%E5%8F%AF%E8%83%BD%E6%80%A7%E6%98%AF%E4%B8%89%E5%88%86%E4%B9%8B%E4%B8%80%2C%E6%8B%BF%E5%88%B0%E7%99%BD%E7%90%83%E7%9A%84%E5%8F%AF%E8%83%BD%E6%80%A7%E6%98%AF%E4%BA%8C%E5%88%86%E4%B9%8B%E4%B8%80.%E8%A2%8B%E4%B8%AD%E8%A3%85%E6%9C%89%E9%BB%84%E7%90%83%E5%92%8C%E7%99%BD%E7%90%83%E4%B8%AA%E5%A4%9A%E5%B0%91%E4%B8%AA)
xnA_!];;3Fª-kc Ҁ6UzUؘ`Wev%`z5ϙd\+ǽwW۞6'ojIL?_^}&;Ou`N 'z<{x8L-zwI㛮_U錏u1\%ɋ;qa7k
591KwN;g3c:}z/L>2;fx(
?wMZE6U([
AX(Y Yi?)Džut oS (oe1>!
2GWHg.EBC# 0B=1D][BVbaQ\))P@PL<