bonsoir,
exercice 4
1m =100cm
1° rebond
3/4 de 100 cm
(3*100)/4 =75cm
2° rebond
3/4 de 75 cm
(3*75)/4 =56, 25cm
3° rebond:
3/4 de 56,25
(3*56,25)/4 =>42, 19 cm
exercice 5
C= √17 cm( valeur exacte)
√17 =4,1 cm ( valeur approchée)
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bonsoir,
exercice 4
1m =100cm
1° rebond
3/4 de 100 cm
(3*100)/4 =75cm
2° rebond
3/4 de 75 cm
(3*75)/4 =56, 25cm
3° rebond:
3/4 de 56,25
(3*56,25)/4 =>42, 19 cm
exercice 5
C= √17 cm( valeur exacte)
√17 =4,1 cm ( valeur approchée)