3.3.1

?:,,:.

10AP(A)=3/36=1/12

18..

:,B,,. ?

,B,B.

,,.

.

,,.

:(1)().(2).,A: 0

[0 , 5) [2 , 3] = [2 , 3] = 5- 0 = 5 = 3-2 = 1

:100100502020 1201005020

P= P100= 1/20P50= P20=10020020124

1 ,,,,10.060060

10 3 0 10

,,,,.

5.3,,1?1mAAAPA=1/33m1m1m

1.0513055132

2.1,1,0.1,.3.,,.

123454.

6.ABCABMAMACMABABDAC=AC,MACAMACACd ABAC=AC PAMAC=PAMACAMACABCC

7.1BCDE.0A={}BCDBCD|BE|>|BC|CD

1..2. 1 23..