Bài tập:Tính giá trị biểu thức sau
a. \(\sqrt{0,01}+\sqrt{0,16}\)=...........+..................=...............
b.3,7 +2\(\sqrt{0,36}\)=3,7+2...............=.....................=..........
c.0,2.\(\sqrt{100}\)-\(\sqrt{0,25}\)=..................................=.........................=....................
d.\(\left(\sqrt{\frac{9}{16}-}\sqrt{\frac{1}{4}}\right):2\)=...................................=...................=...............
Bài tập về câu hỏi Tag question
1.Bill came on a bicycle,..................................?
2. The Smiths have two cars,.....................................?
3.It could be done ,....................................................?
4.She's got lovely blue eyes,.........................................?
5.That's him over there,..............................................?
6.He hardly ever makes a mistake,....................................?
7.Nobody liked the play,........................................................?
8.The sentence isn't complete,.....................................................?
9.She'd save money if she bought fresh food,...............................?
10.She 's very funny.She got a great sense of humour.............................?