|
（1）
x-10%x=1.8，1 5
0.1x=1.8，
0.1x÷0.1=1.8÷0.1，
x=18；
（2）x÷（1-20%）=10.4，
x÷0.8=10.4，
x÷0.8×0.8=10.4×0.8，
x=8.32；
（3）（1+23%）x=18.45，
1.23x=18.45，
1.23x÷1.23=18.45÷1.23，
x=15；
（4）x-45%x=137.5，
55%x=137.5，
55%x÷55%=137.5÷55%，
x=250．
| 选词填空。根据短文内容，从方框中选择适当的选项完成短文。(有两个选项是多余的) | |
didn't do very well in schoolwork. So people thought he would never be 2 in life. As a small child, Jay was 3 in music. His mother sent him to learn the piano when he was only three years old. He loved it and kept on 4 when he was in high school, he 5 play the piano quite well. At the same time, he showed his talent for writing songs. Before Jay became a singer he worked 6 a songwriter. For two years, he spent most of his time 7 for singers. Some of them are very famous, like Coco Lee and Jacky Cheung Jay released (发行) his first album in 2000, and soon he became quite popular. Now Jay is one of the most famous 8 in Asia. However, he is still shy and doesn't 9 talk and smile. He doesn't speak clearly when he sings or talks, 10 he has a lot of fans. Most of his fans like him because he never follows others. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. |