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0. 2~1. 8 0. 5~1. 8 0. 8~1. 8 1. 0~1. 8
1. 01~1. 50 1. 50~1. 70 1. 70~1. 90 1. 90 以上
cout<<" 1. "<<setfill(' ') <<" Hello ! "<<end1 cout<<"1. "<<"<"Hello!""; cout<<"1. Hello!"<<end1; cout<<'1. "<<setw(7)<<"Hello! ";
a>-1. a≥-1. a≤1. a<1.
GBP/CAD=2. 0420/2. 0443 GBP/CAD=2. 0373/2. 0490 CAD/GBP=1. 4882/1. 4898 CAD/GBP=1. 4847/1. 4932
1. 35 和 1. 4 1. 2 和 1. 4 . 1. 2 和 1. 3 1. 2 和 1. 35
1994. 1. 1 1995. 1. 1 1996. 1. 1 1997. 1. 1
1: 1. 5 1: 1. 55 1: 1. 75 1: 1. 85 1: 1. 95 1: 2
1. 1~1. 5m 1. 2~1. 4m 1. 2~1. 5m 1. 1~1. 4m
1: 0. 50~1: 1. 00 1: 0. 75~1: 1. 00 1: 1. 00~1: 1. 25 1: 1. 25~1: 1. 50
1: 0. 50~1: 1. 00 1: 0. 75~1: 1. 00 1: 1. 00~1: 1. 25 1: 1. 25~1: 1. 50
1: 0. 50~1: 1. 00 1: 0. 75~1: 1. 00 1: 1. 00~1: 1. 50 1: 1. 25~1: 1. 50
1. 1~1. 5m 1. 2~1. 4m 1. 2~1. 5m 1. 1~1. 4m
0. 5, 1. 0, 1. 5, 2. 0 1. 0, 1. 5, 2. 0, 4. 0 1. 0, 1. 5, 2. 5, 4. 0 1. 0, 1. 5, 2. 0, 2. 5
cout<<"1."<<setfill('')<<"Hello!"<<endl; cout<<"1."<<''<<"Hello! "; cout<<"1. Hello!"<<endl; cofit<<"1."<<setw(7)<<"Hello!";
1. 4~1. 6m 1. 2~1. 4m 1. 5~1. 7m 1. 6~1. 8m
26. 0、 1. 5 25. 4、 1. 5 24. 0、 1. 5 23. 5、 1. 5