1 |
7 |
2 |
3 | -8 |
1 |
3 |
A.1个 | B.2个 | C.3个 | D.4个 |
3 | -8 |
2 |
5 |
π |
2 |
• |
4 |
• |
5 |
3 | 0.001 |
A.1个 | B.2个 | C.3个 | D.4个 |
π |
3 |
22 |
7 |
•• |
23 |
16 |
π |
2 |
3 |
22 |
7 |
3 | -8 |
A.2 | B.3 | C.4 | D.5 |
A.
| ||
B.
| ||
C.2π | ||
D.0.151151115…(两个5之间依次多1个1) |
A.带根号的数都是无理数 | ||
B.
| ||
C.无限小数是无理数 | ||
D.无理数是无限小数 |
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