问题
解答题
在下面算式中合适的地方，添上适当的运算符号及括号，使每个算式成立。
（1）1 2 3 4 5 6 7=1；
（2）1 2 3 4 5 6 7 8=1。
答案
（1）(1+2+3+4)÷5+6-7=1；（2）(1×2×3-4+5-6+7)÷8=1 （答案不唯一）
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在下面算式中合适的地方，添上适当的运算符号及括号，使每个算式成立。
（1）1 2 3 4 5 6 7=1；
（2）1 2 3 4 5 6 7 8=1。
（1）(1+2+3+4)÷5+6-7=1；（2）(1×2×3-4+5-6+7)÷8=1 （答案不唯一）
| 根据短文内容，用所给单词的适当形式填空。 | |
used to wear teenage 2_______ and meet in teenage coffee bars and discos. Some of them still do now. But for many young people, life is 3_______ now. Jobs are hard to find. There's not so much 4_______. Things are more expensive, and it's hard to find a cheap place to live 5_______. Teachers say that students work harder than they 6_______ to. They are more interested in 7_______ exams. They know that good exam results may 8_______ them better jobs. Most young people worry more about money than their parents 9_______ twenty years ago. They try to spend less and save more. They want to be able to get home of their 10_______ one day. |