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Calculează:
( VA ROG DAU COROANA )​


Calculează VA ROG DAU COROANA class=

Răspuns :

0

,

5

1

2

×

(

3

4

0

,

25

)

=

5

10

(

5

1

2

×

(

3

4

25

100

(

25

)

=

1

5

1

2

×

(

3

4

1

4

)

=

1

5

1

×

4

=

(

4

1

5

(

5

1

4

=

4

20

5

20

=

1

20

=

0

,

05

0,5−

2

1

×(

4

3

−0,25)=

10

5

(5

2

1

×(

4

3

100

25

(25

)=

5

1

2

1

×(

4

3

4

1

)=

5

1

2

1

×

4

2

=

(4

5

1

(5

4

1

=

20

4

20

5

=−

20

1

=−0,05

0

,

75

0

,

17

×

(

19

10

1

,

5

)

=

0

,

75

0

,

17

×

(

1

,

9

1

,

5

)

=

0

,

75

0

,

17

×

1

,

4

=

0

,

75

0

,

238

=

0

,

512

0,75−0,17×(

10

19

−1,5)=0,75−0,17×(1,9−1,5)=0,75−0,17×1,4=0,75−0,238=0,512

(

1

3

+

0

,

25

)

×

(

1

+

5

7

)

=

(

1

3

+

25

100

(

25

)

×

(

7

7

+

5

7

)

=

(

(

4

1

3

+

(

3

1

4

)

×

12

7

=

(

4

12

+

3

12

)

×

\1

2

7

=

7

1̸2

×

1̸2

7

=

1

(

3

1

+0,25)×(1+

7

5

)=(

3

1

+

100

25

(25

)×(

7

7

+

7

5

)=(

(4

3

1

+

(3

4

1

7

12

=(

12

4

+

12

3

7

\12

=

12

7

×

7

12

=1

0

,

=

10

0

,

=

100

10

=

,

0,a=

10

a

0,ab=

100

ab

10

ab

=a,b

la a raspunsul este 0,8 si la b 30