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marcelhenriyves
@marcelhenriyves
February 2021
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Bonjour, pouvez-vous m'aider SVP, MERCI beaucoup.
Exercice 1/. Effectue les additions suivantes en détaillant les calculs :
a. (+ 4) + (+9). b. (– 2) + (+3) +( – 7). c. (– 10) –(+ 10).
b. (– 4) + (– 11) –(+5). e. (– 10) –(+ 10) f. (+1) – (– 7) +(–8).
g. 7 – (4 - 7) + (8 +6 – 9) – 6.
Exercice 2./ Avec les priorités opératoires effectue en soulignant les calculs intermédiaires.
A = 3,5 ÷ (– 4 × 8 +25) –(+ 4)×(+9)
B = 8×(–2) – 9÷(–3) + (– 7)×(+ 6)÷(–2 ).
C = (– 20) ÷ (– 5) + 2 ×(– 20) ÷ 4
D = [(– 4)×(– 2 – 1) + (– 18)÷(– 9)]×(– 2)+2
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POUVEZ-VOUS M'AIDER, SVP, URGENT MERCI BEAUCOUP
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