多少个?木箱里装着红黄蓝三种颜色的球.黄球的个数是红球个数的2/3,蓝球的个数比黄球的个数的2/3还多3个,红球个数比蓝球多32个,木箱里有红球多少个?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 07:55:03
![多少个?木箱里装着红黄蓝三种颜色的球.黄球的个数是红球个数的2/3,蓝球的个数比黄球的个数的2/3还多3个,红球个数比蓝球多32个,木箱里有红球多少个?](/uploads/image/z/1125855-63-5.jpg?t=%E5%A4%9A%E5%B0%91%E4%B8%AA%3F%E6%9C%A8%E7%AE%B1%E9%87%8C%E8%A3%85%E7%9D%80%E7%BA%A2%E9%BB%84%E8%93%9D%E4%B8%89%E7%A7%8D%E9%A2%9C%E8%89%B2%E7%9A%84%E7%90%83.%E9%BB%84%E7%90%83%E7%9A%84%E4%B8%AA%E6%95%B0%E6%98%AF%E7%BA%A2%E7%90%83%E4%B8%AA%E6%95%B0%E7%9A%842%2F3%2C%E8%93%9D%E7%90%83%E7%9A%84%E4%B8%AA%E6%95%B0%E6%AF%94%E9%BB%84%E7%90%83%E7%9A%84%E4%B8%AA%E6%95%B0%E7%9A%842%2F3%E8%BF%98%E5%A4%9A3%E4%B8%AA%2C%E7%BA%A2%E7%90%83%E4%B8%AA%E6%95%B0%E6%AF%94%E8%93%9D%E7%90%83%E5%A4%9A32%E4%B8%AA%2C%E6%9C%A8%E7%AE%B1%E9%87%8C%E6%9C%89%E7%BA%A2%E7%90%83%E5%A4%9A%E5%B0%91%E4%B8%AA%3F)
多少个?木箱里装着红黄蓝三种颜色的球.黄球的个数是红球个数的2/3,蓝球的个数比黄球的个数的2/3还多3个,红球个数比蓝球多32个,木箱里有红球多少个?
多少个?木箱里装着红黄蓝三种颜色的球.黄球的个数是红球个数的2/3,蓝球的个数比黄球的个数的2/3还多3个,红球个数比蓝球多32个,木箱里有红球多少个?
多少个?木箱里装着红黄蓝三种颜色的球.黄球的个数是红球个数的2/3,蓝球的个数比黄球的个数的2/3还多3个,红球个数比蓝球多32个,木箱里有红球多少个?
设红球为X,则黄球为2/3X,蓝球为2/3×2/3X+3.
X=2/3×2/3X+3+32
X=4/9X+35
35=X-4/9X
35=5/9X
X=35÷5/9
X=63
∴红球有63个