21

10

4

-4

$\frac{9}{26},\frac{1}{4},\frac{3}{10}$

$\frac{1}{4},\frac{9}{26},\frac{3}{10}$

$\frac{1}{4},\frac{3}{10},\frac{9}{26}$

$\frac{3}{10},\frac{9}{26},\frac{1}{4}$

210653

274610

235106

260154

13

14

15

16

18

36

54

72

3:4:5

4:5:7

3:4:7

10:12:14

32

63

343

386

100011

1110011

1001001

1011101

20 seconds

30 seconds seconds

35 seconds

36 seconds

64

128

256

512

40

50

60

70

4

16

64

6

$\frac{a+b+c}{abc}$

a+b+c

1

30%

29%

2£%

40%

$\pm 1$

1

-1

undefined

1:1.2

1:1

1:8

1:0.75

$1^6$

0.79

1.05

$\sqrt{1.20}$

$8\sqrt{2}$

$8\sqrt{3}$

$16\sqrt{2}$

$8\sqrt{5}$

36%

3.6%

6%

12.36%

0.005

0.004

0.4

0.04

32%

48%

56.25%

64%

1

-1

undefined

10,10,10

5,10,10

5,1515,

10,15,15

2

4

6

8