Question

บูบู้

ช่วยหน่อยนะคะ ข้อ 10-12 ค่ะ

7
2
3.
7+1
....
n²-n
2
= 2
****
9.
= (3²) ² (3³) ²
3
3
-n
(3¹) (3³)³ (3)"
4+6-3n
・INF9+71
2
2
9² (27)²-n
(81)" (27)³ (3)"
2-7
11/4
²-1
2771+2
n-1
4
= 3.3
70-37
-3748
3
5.3⁰-9.30-2
2.3"-3-1-2
6-37
1
22
47 97-1
• 303
= 3
A
3²10-37) - (-37+87
70-35+37-8
= 3²
= 2n-2n=0
0-2=-2
=9*
Da (15-(9×7))
7a (9+7)
10. (a(a(a¹¹))
...a.a. 2²1
12. 10¹ ×97
154 x 84
m
(a)
1
a
- 48
16
nxm