比较3-12 13
比较
______
(填“<”“>”“=”)在线课程∵
=
,
=
=
,
(
)2=3,(
)2=
<3,
∴
>
.
故答案为>.
| ||
2 |
1 |
3 |
| ||
2 |
3(
| ||
6 |
1 |
3 |
2 |
6 |
3×(
| ||
6 |
(
3 |
5 |
3 |
25 |
9 |
∴
| ||
2 |
1 |
3 |
故答案为>.
| ||
2 |
1 |
3 |
| ||
2 |
3(
| ||
6 |
1 |
3 |
2 |
6 |
3×(
| ||
6 |
3 |
5 |
3 |
25 |
9 |
| ||
2 |
1 |
3 |