问题
解答题
有一张长方形纸，长64cm，宽48cm．如果要剪成若干个同样大小的正方形而没有剩余，剪出的小正方形的边长最大是几厘米？
答案
64=2×2×2×2×2×2，
48=2×2×2×2×3，
所以64和48的最大公因数是2×2×2×2=16，
所以剪成相同大小的正方形，所以剪下的小正方形的边长最大是16厘米，
答：剪出的正方形的边长最大是16厘米．
搜题请搜索小程序“爱下问搜题”
有一张长方形纸，长64cm，宽48cm．如果要剪成若干个同样大小的正方形而没有剩余，剪出的小正方形的边长最大是几厘米？
64=2×2×2×2×2×2，
48=2×2×2×2×3，
所以64和48的最大公因数是2×2×2×2=16，
所以剪成相同大小的正方形，所以剪下的小正方形的边长最大是16厘米，
答：剪出的正方形的边长最大是16厘米．
| 完形填空。 | ||||
| On a snowy evening, a rich lady was standing by the road. She was very worried. Her 1 had broken down. Just then a poor man named Robert came. He was on his 2 back home from work as usual. The lady wondered, "Is the man going to 3 me? He looks very cold and hungry." But to her surprise, 4 stopped and said with a smile, "Can I help you, madam?" After forty 5 , the car was at last fixed by Robert. The lady wanted to pay him. "No, that's 6 , madam." he said, "I was just helping someone in 7 . If you really want to pay me back, I hope 8 you see someone in need, you should give him a hand." A few minutes later, the lady 9 a shabby (破旧的) house by the road. She remembered Robert's words, so she stopped. The hostess (女主人) warmly asked her 10 . The lady could see that was a 11 family and that they needed help. When the hostess was making tea in the kitchen, the lady 12 on a table 500 dollars and went away quietly. Robert came home later than before, thinking how 13 their life was. His wife was pregnant (怀孕) and the baby was to be born the next month but there was not 14 money. His wife went up to him, gave him a kiss and said softly, "Don't worry, dear! Everything's going to be all 15 . A stranger has helped us out." Let's always be ready to help others because helping others is helping ourselves. | ||||
|