问题
解答题
已知，甲乙丙三个数的和为26，甲数比乙数大1，甲数的两倍与丙数的和比乙数大18，求这三个数．
答案
设甲数为x，乙数为y，丙数为z，根据题意得：
，x+y+z=26 x-y=1 2x+z-y=18
解得：
，x=10 y=9 z=7
则甲数是10，乙数是9，丙数是7．
搜题请搜索小程序“爱下问搜题”
已知，甲乙丙三个数的和为26，甲数比乙数大1，甲数的两倍与丙数的和比乙数大18，求这三个数．
设甲数为x，乙数为y，丙数为z，根据题意得：
，x+y+z=26 x-y=1 2x+z-y=18
解得：
，x=10 y=9 z=7
则甲数是10，乙数是9，丙数是7．
根据短文内容，从下面方框中选择适当的选项补全短文。 My mother is a kind and nice woman. 小题1: One Sunday night, when I was watching the film Harry Potter very happily, Mother asked me to go to bed. 小题2: that I didn’t move. But for a while, I noticed that she didn’t say anything. 小题3: I was so sad and that I went into my room and cried. I thought “I have only two nights in a week to enjoy the TV. 小题4: ” The next day she cooked and talked with me as usual. I pretended not to hear, but she didn’t mind and told me why she didn’t allow me to watch TV, because she wanted me to have a good rest. Then I understood her. I love my mother.
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