Créer une activité
Jouer Froggy Jumps
1. (3X+4Y+3Z)+(2X-Y+3Z)
A
5X+3Y+6Z
B
3X+5Y+3Z
C
5X-5Y+6Z
2. (5X-7Y+2Z)+(7X-8Y+5Z)
A
12X+Y+7Z
B
12X+15Y-7Z
C
12X-15Y+7Z
3. (2x³+5x²-4x+5)+(4x³+2x²+3x-6)
A
6x³+7x²-x-1
B
6x³+7x²+7x+11
C
2x³+7x²+x-1
4. (3x³+3x²-4x+5)+(x³-2x²+x-4)
A
4x³+x²-3x+1
B
2³+3x²-2x+1
C
3x³+5x²-5x+1
5. (4a-2b)+(-5a+3b)
A
9a+5b
B
-a+b
C
-a-b
6. (8x²+4x+12)+(2x²-7x+10)
A
10x²+11x+12
B
6x²+3x+2
C
10x²-3x+22