Bonsoir
a) - 2/3 x - 5/2 x - 3/7
= - 10/6 x - 3/7
= 30/42
= (6 x 5) / (6 x 7)
= 5/7
b) 5/- 7 x (- 7/5)
= 35/35
= 1
c) - 15 x 2/15
= - 30/15
= (15 x - 2) / (15 x 1)
= - 2
d) (- 8/3) x (- 1/5) x 3
= 8/15 x 3
= 24/15
= (3 x 8) / (3 x 5)
= 8/5.
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Bonsoir
a) - 2/3 x - 5/2 x - 3/7
= - 10/6 x - 3/7
= 30/42
= (6 x 5) / (6 x 7)
= 5/7
b) 5/- 7 x (- 7/5)
= 35/35
= 1
c) - 15 x 2/15
= - 30/15
= (15 x - 2) / (15 x 1)
= - 2
d) (- 8/3) x (- 1/5) x 3
= 8/15 x 3
= 24/15
= (3 x 8) / (3 x 5)
= 8/5.