问题
解答题
已知方程组
|
答案
依题意，得
|m-2|-2=1，且m-3≠0、m+1≠0，
解得m=5．
故m的值是5．
搜题请搜索小程序“爱下问搜题”
已知方程组
|
依题意，得
|m-2|-2=1，且m-3≠0、m+1≠0，
解得m=5．
故m的值是5．
| 完形填空。 A boy who was cleaning shoes in the street said to a young man 1 , "Let me clean 2 shoes." The young man said, "No, thank you." "You may 3 me only a pound, sir." said the boy. But the young man refused 4 . Then the boy told him that he would clean his shoes for 5 . The young man agreed to this, and soon one of his shoes was shining brightly. The man put 6 shoe on the boy, but the boy refused to clean it 7 he was paid two pounds for his work. The young man refused to pay anything and went 8 . But the dirty one looked so 9 that he couldn't walk away. He had to 10 back and gave the boy two pounds. In a very short time his shoes shone brightly. | |||
|