1/-20 < x < 21 2/ -18 ≤ x ≤ 17 3/ -27 < x ≤ 27 4/ │x│≤ 3 5/ │-x│< 5

Các câu hỏi liên quan

giup minh co j co the minh se giup lai nhe :) Exercise 6: Write a paragraph about traffic problems and the solutions, using the cues given and the words to show sequence like: first, second, moreover, in addition, ….at last. 1. Most streets / roads / our city / narrow / in bad conditions. …………………………………………………………………………………………… 2. Many people / not strictly follow / traffic laws / when using the roads. …………………………………………………………………………………………… 3. For example/ they cross / street / wrong places / ride / motorbikes / wrong direction. …………………………………………………………………………………………… 4. Many street vendors / occupy / pavement / display / goods / sale / pedestrians / walk / in the road. …………………………………………………………………………………………… 5. The number of trucks / our city/ very big / so / they / interfere / traffic flow. …………………………………………………………………………………………… 6. Construction / houses and buildings / not carefully planned / so / they / occupy / surface of the roads. …………………………………………………………………………………………… …………………………………………………………………………………………… To solve the traf ic 7. Heavy penalties / use / for careless / dangerous drivers. People / be educated / traffic regulations / the same time. …………………………………………………………………………………………… …………………………………………………………………………………………… 8. In short, I hope / traffic problems / our city / our city / be solved / so that we / feel / comfortable / when / use the road. …………………………………………………………………………………………… ……………………………………………………………………………………………