Calcul Mental

1. (12+3-2) - (12+(3-2)) = ?
   • 3
   • 2
   • 1
   • 0
2. (4x3+4) / 2 = ?
   • 4
   • 8
   • 12
   • 11
3. On a X²+2X+1 = 0 , X étant un réel. Donc X = ?
   • 1
   • 2
   • -1
   • -2
4. 4² - 5²- (5-4)² = ?
   • 0
   • -10
   • -11
   • -1
5. 12+3-4x6-(16+3)x2-4/2+(2³-2x3)/(4/2) = ?
   • -48
   • 37
   • -52
   • 34

• Created 30/09/2017
• Published 30/09/2017
• Amended 01/10/2017
• Difficulty Difficult
• Questions 5
• Theme Scientific

You have the choice between 3 types of design:

• Orange
• Blue
• Light