$3^{30}+3^{60}+3^{90}$

$3^{30}+3^{59}+3^{90}$

$3^{28}+3^{59}+3^{89}$

$3^{29}+3^{59}+3^{89}$

9

$\frac{1}{4}$

12

1

2

$\frac{1}{4}$

$\frac{1}{2}$

13

17

15

19

32

10

8

4

110

108

108.90

110.90

4

-1

$\pm 1$

$\pm 4$

2

4

0.02

0.4

-3

3

-4

4

7:9:5

21:35:45

7:9:15

7:3:15

0.4

0.8

0.05

0.023

3

9

13

15

2N

2M

M-N

2M-N

29

64

48

36

3:5

2:3

1:3

none

6.67

7.14

7.75

7

36

32

18

10

1

2

3

4

28

14

-28

-8

20

10

15

25

40

4

0.04

0.4

-18

-12

12

81

18$°$

36$°$

72$°$

108$°$

2n+1

n

$n^2$

none

-306

-126

-54

-234

$3^{28}+3^{59}+3^{89}$

$3^{27}+3^{59}+3^{89}$

$3^{30}+3^{60}+3^{89}$

$3^{30}+3^{59}+3^{90}$

-5

5

-10

10

1

2

1/4

1/2

18

12

16

14

12

32

48

64

20

40

64

80

33

$\sqrt{33}$

$\sqrt{22}$

$\sqrt{52}$

6

0.06

0.6

0.006

-4

6

-6

4

55:77:66

30:42:77

35:49:42

35:49:42

0.34

0.3

0.08

0.16

50

51

49.5

49

30

40

20

60

x<0

-2

0

x<2

12

21

19.5

15

84

27

42

96

300

30

90

150

5

8.5

7.5

10

0.8

0.125

1.25

12.5

5

3

$3^3$

$3\sqrt[3]{3}$

$9x^2+25$

$9x^2-25$

$9x^2-30x+25$

$9x^2-15x+25$

167$°$

77$°$

87$°$

347$°$

9

4

6

5

30

90

150

120

-100

8

4

-4