Réponse:
tu continues avec le même principe on multiplions le numérateur entre eux
Bonjour :)
A= 3/9+5/2
= 3×2/9×2+5×9/2×9
= 6/18+45/18
= 51/18
= 17×3/3×6
= 17/6
B= 6/7-2/3
= 6×3/7×3-2×7/3×7
= 18/21-14/21
= 4/21
C= 7/4-9/5
= 7×5/4×5-9×4/5×4
= 35/20-36/20
= -1/20
D= 3/8+1/7
= 3×7/8×7+1×8/7×8
= 21/56+8/56
= 29/56
E= -7/3+-1/4
= -7×4/3×4+-1×3/4×3
= -28/12+-3/12
= -31/12
F= 2/11-3/10
= 2×10/11×10-3×11/10×11
= 20/110-33/110
= -13/110
Bonne journée ;)
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Réponse:
tu continues avec le même principe on multiplions le numérateur entre eux
Verified answer
Bonjour :)
A= 3/9+5/2
= 3×2/9×2+5×9/2×9
= 6/18+45/18
= 51/18
= 17×3/3×6
= 17/6
B= 6/7-2/3
= 6×3/7×3-2×7/3×7
= 18/21-14/21
= 4/21
C= 7/4-9/5
= 7×5/4×5-9×4/5×4
= 35/20-36/20
= -1/20
D= 3/8+1/7
= 3×7/8×7+1×8/7×8
= 21/56+8/56
= 29/56
E= -7/3+-1/4
= -7×4/3×4+-1×3/4×3
= -28/12+-3/12
= -31/12
F= 2/11-3/10
= 2×10/11×10-3×11/10×11
= 20/110-33/110
= -13/110
Bonne journée ;)