Calculer les expressions suivantes (3e) A= 20-6×3+1 B= 4+3×2 C= 20-5×3 D= 8+2×5-7 E= 12-8×15 F= (7+4)×(2+1+6)÷3 G= 7+9×3-4+10 H= 24×2-(7×3+8)÷1 MERCI BEAUCOUP!!
Mathématiques
ambregrouzelle
Question
Calculer les expressions suivantes (3e)
A= 20-6×3+1
B= 4+3×2
C= 20-5×3
D= 8+2×5-7
E= 12-8×15
F= (7+4)×(2+1+6)÷3
G= 7+9×3-4+10
H= 24×2-(7×3+8)÷1
MERCI BEAUCOUP!!
A= 20-6×3+1
B= 4+3×2
C= 20-5×3
D= 8+2×5-7
E= 12-8×15
F= (7+4)×(2+1+6)÷3
G= 7+9×3-4+10
H= 24×2-(7×3+8)÷1
MERCI BEAUCOUP!!
1 Réponse
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1. Réponse MitchAlexandrine2314
A= 20-6×3+1
=20-18+1
=2+1
=3
B= 4+3×2
=4+6
=10
C= 20-5×3
=20-15
=5
D= 8+2×5-7
=8+10-7
=18-7
=11
E= 12-8×15
=12-120
=-108
F= (7+4)×(2+1+6)÷3
=(11)×(3+6)÷3
=11×9÷3
=99÷3
=33
G= 7+9×3-4+10
=7+27-4+10
=34-4+10
=30+10
=40
H= 24×2-(7×3+8)÷1
=48-(21+8)÷1
=48-29÷1
=48-29
=19