21. a=
-
|
A
|
B
|
V
|
C
|
2.435 (±0,002)
0.15 (±0,005)
1.27 (±0,009)
|
7.834 (±0,02)
0.21 (±0,04)
3.71 (±0,08)
|
4.539 (±0,005)
0.34 (±0,004)
5.93 (±0,012)
|
№ 22. 1) Y =
-
|
A
|
B
|
V
|
M
n
c
|
1.6531 ()
3.78()
0.158 ()
|
2.348()
4.37 ()
0.235()
|
3.804 ()
4.05()
0.318 ()
|
№23. X =
-
|
A
|
B
|
V
|
a
b
m
c
d
|
9.542 ()
3.128 ()
2.8 ()
0.172 ()
5.4 ()
|
8.357 ()
2.48 ()
3.17 ()
1.315 )
2.4 ()
|
4.218 ()
1.57 ()
2.32 ()
2.418 ()
1.8 ()
|
№24. V = 1/ 15π h (2D2 + Dd + d2 0.75)
-
|
A
|
B
|
V
|
h
d
D
|
84.2 (±0,004)
28.3 (±0,001)
42.08 (±0,003)
|
76 (±0,01)
17.2 (±0,02)
9.344 (±0,009)
|
45 (±0,002)
48.3 (±0,008)
32.14 (±0,007)
|
№ 25. 1) X =
-
|
A
|
b
|
V
|
C
d
b
|
0.7568 ()
21.7 ()
2.65()
|
0.8345 ()
13.8()
1.84 ()
|
0.6384(
32.7()
4.88 ()
|
№
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