Calcul mental

1. (10 secondes seulement) Calculer : 1/2 + 1/4 +3/8 + 5/16 -14/32 =
   • 1
   • 2
   • 0
   • 3
2. 1/3 + 5/6 + 11/12 + 22/24 =
   • 1
   • 4
   • 2
   • 3
3. 12² + 9³ + 16² + 71 =
   • 1 000
   • 1 100
   • 1 200
   • 1 500
4. ( 228 : 12) + ( 24 x 16) + (1 164 : 12) =
   • 500
   • 600
   • 400
   • 700
5. ( 1264 - 972) + ( 2 536 - 1 248) + (2 860 : 13) =
   • 1 600
   • 1 800
   • 2 000
   • 1 700
6. 15³ - 28² - 91 =
   • 2 500
   • 2 000
   • 3 000
   • 1 500

• Created 23/12/2020
• Published 23/12/2020
• Amended 23/12/2020
• Difficulty Average
• Questions 6
• Theme Scientific

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