问题
解答题
校园里的杨树和柳树共有36棵，杨树的棵数是柳树的2倍．杨树和柳树各有多少棵？（列方程解答）
答案
设柳树的棵数为x棵，则杨数的棵数为2x棵，
x+2x=36，
3x=36，
x=12，
杨树：2×12=24（棵），
答：杨树有24棵，柳树有12棵．
搜题请搜索小程序“爱下问搜题”
校园里的杨树和柳树共有36棵，杨树的棵数是柳树的2倍．杨树和柳树各有多少棵？（列方程解答）
设柳树的棵数为x棵，则杨数的棵数为2x棵，
x+2x=36，
3x=36，
x=12，
杨树：2×12=24（棵），
答：杨树有24棵，柳树有12棵．
| 用方框中词组的适当形式填空。 | |
2. Sometimes we quarrel, but soon we ________ and have a heart-to-heart talk. 3. He got up early ________ catch the first bus. 4. When I entered the room, my little son ________ and let me look for him. He likes playing hide-and-seek. 5. You have no idea what I have ________ in the past few years to get over the disease. 6. It's better to have a talk with our friends ________. 7. He is so rude and I can't bear his bad manners _______. 8. We must go through _______ experiments before we succeed. 9. It rained all day and children _______ play indoors. 10. How shall I _______ myself _______ in the hotel register? |