Bonsoir,
B = - 6/11 - 4/5
B = (- 6 x 5) / (11 x 5) - (4 x 11) / (5 x 11)
B = - 30/55 - 44/55
B = - 74/55
C = 5 + 6/7
C = (5 x 7) / (1 x 7) + 6/7
C = 35/7 + 6/7
C = 41/7
E = 7 x 5 + 18 x (- 4) - (14 - 9,1)
E = 35 - 72 - 4,9
E = 35 - 76,9
E = - 41,9.
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Bonsoir,
B = - 6/11 - 4/5
B = (- 6 x 5) / (11 x 5) - (4 x 11) / (5 x 11)
B = - 30/55 - 44/55
B = - 74/55
C = 5 + 6/7
C = (5 x 7) / (1 x 7) + 6/7
C = 35/7 + 6/7
C = 41/7
E = 7 x 5 + 18 x (- 4) - (14 - 9,1)
E = 35 - 72 - 4,9
E = 35 - 76,9
E = - 41,9.