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Sagot :

LEA7

1)1512

2)25

5)x

6)28

7)534

11)27

12)351

104)x

15)x

 

voila en esperant t'avoir aider :)

1 1512 (excel = ((36*2))*(42/2)

4. 25 (excel = =100/4)

5.  423   (excel: =3/5*705)

6.  28 (excel =140/5)

7.   534 (excel =1602/3)

11. 6521  Excel: =3*(13*13*13)

12. 117 (excel =(13*3)*3

14. 35 (excel: =5/11*77)

15. 25753 je ne suis pas trop sûre

18 illisible

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