Bonjour j'ai un Devoir maison à faire et je n'y arrive pas si vous voulez bien m'aidez.
1) Calculs:
A=5/8-1/4
B=5/3+1/2
C=1-2/5
E=2+5/16
F=5/16+7/20
Merci
1) Calculs:
A=5/8-1/4
B=5/3+1/2
C=1-2/5
E=2+5/16
F=5/16+7/20
Merci
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Verified answer
1) Calculs :A = 5/8 - 1/4
A = 5/8 - 1 x 2 / 4 x 2
A = 5/8 - 2/8
A = 3/8
B = 5/3 + 1/2
B = 5 x 2 / 3 x 2 + 1 x 3 / 2 x 3
B = 10/6 + 3/6
B = 13/6
C = 1 - 2/5
C = 1 x 5 / 1 x 5 - 2/5
C = 5/5 - 2/5
C = 3/5
E = 2 + 5/16
E = 2 x 16 / 1 x 16 + 5/16
E = 32/16 + 5/16
E = 37/16
F = 5/16 + 7/20
F = 5 x 20 / 16 x 20 + 7 x 16 / 20 x 16
F = 100/320 + 112/320
F = 212/320
F = 212 : 4 / 320 : 4
F = 53/80