Video of physics lottery method for senior high school entrance examination

D

E

F

A

(A, D)

(A, E)

(A, Fu)

B

(B，D)

(B，E)

(B，F)

C

(C, D)

(Chinese and English)

(C, F)

..................................................................................................................................................................................

As can BE seen from the above table, there are nine possible outcomes * * *: AD, AE, AF, BD, BE, BF, CD, CE, CF? .

Method 2: Draw a tree diagram as follows:

As can BE seen from the tree diagram, there are nine possible results * * *: AD, AE, AF, BD, BE, BF, CD, CE, CF? ................................ scored six points.

(2) As can be seen from the table or tree diagram, there are nine possible outcomes * * *, of which event M occurs once.

So P(M)= ? .................................., eight.

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