PERT exercices

3

9

C

5

D

A

8

E

B

4

F

B

7

G

B

20

H

C, F

I

D, E

4

2

C

A

1

D

A, B

1

E

A

2

F

C

2

G

D, F

2

H

E

10

I

G

4

J

H, I

1

A

10

B

A

9

C

B

1

D

C

9

E

C

1

F

D

5

G

D

9

H

A, F

2

I

A, F

5

J

G, H

9