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# Priorité des Opérations sur les Fractions Positives à Cinq Étapes (A)

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### Effectuez chaque expression à l’aide de l’ordre correct des opérations.

( 1 4÷ 1 3 ) × ( 3 8 + 8 9 ( 5 6 )2) ( 5 9 1 9 ) ÷ ( 5 6 )2 ×5 8 + 1 6 ( 8 9 5 6 ) ÷ ( 1 2 )3 × ( 5 8 + 1 6 ) 1 5 × 5 6 ÷ ( 1 6 + ( 3 4 )2 1 2 )

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### Effectuez chaque expression à l’aide de l’ordre correct des opérations.

( 1 4÷ 1 3 ) × ( 3 8 + 8 9 ( 5 6 )2) =3 4 × ( 3 8 + 8 9 ( 5 6 )2) =3 4 × ( 3 8 + 8 9 25 36 ) =3 4 × ( 91 72 25 36 ) =3 4 × 41 72 =41 96 ( 5 9 1 9 ) ÷ ( 5 6 )2 ×5 8 + 1 6 =4 9 ÷ ( 5 6 )2 × 5 8 + 1 6 =4 9 ÷ 25 36 × 5 8 + 1 6 =16 25 × 5 8 + 1 6 =2 5 + 1 6 =17 30 ( 8 9 5 6 ) ÷ ( 1 2 )3 × ( 5 8 + 1 6 ) = 1 18 ÷ ( 1 2 )3 × ( 5 8 + 1 6 ) = 1 18 ÷ ( 1 2 )3 × 19 24 = 1 18 ÷ 1 8× 19 24 =4 9 × 19 24 =19 54 1 5 × 5 6 ÷ ( 1 6 + ( 3 4 )2 1 2 ) =1 5 × 5 6 ÷ ( 1 6+ 9 16 1 2 ) =1 5 × 5 6 ÷ ( 35 48 1 2 ) =1 5 × 5 6 ÷ 11 48 =1 6 ÷ 11 48 = 8 11

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