Réduire une somme – 4ème – Exercices corrigés – Calcul littéral – Cycle 4 – PDF à imprimer

Réduire une somme – 4ème – Exercices corrigés – Calcul littéral

Exercice 1

Réduire les expressions littérales suivantes :

A = 2 t^² − 3 t − (−9 t^²) + 7 − (−10 t) − 8

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B = 9 t + 3 t^² − (−10) + 2 − 6 t − t^²

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C = 2p^² − 7 p − (−p^²) + 2 p − 6 − 5

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D = −2 k^² − 3 k × (−1) × (−9 k) × (−2)

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E = −2 k × (−6) × (−k) + 3 k^² − 9

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F = −10 p − (−8 p^²) − 9 × (−8) × 4 p

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Exercice 2

Réduire les expressions littérales suivantes :

A = 3m − 5m² − (−5m) − (−3)−4+10m²

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B = 9 y − (−10) − 3 y² + 5 y²− (−8 y) + 7

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C = −r²− (−10) − 5 r + 5 r²− (−2) + 8 r

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D = 9 v − (−v²) − 10 × 9 × 4 v

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E = 7 × 8 k × (−8) × (−4 k) − 6 k²

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F = 3 − 6 q²− 9 × 10 q × (−10 q)

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Exercice 3 – 4 – 5 – 6