Bonjour,
-15/28 * -42/25
= 630/700 = 63/70 = 9/10
(12/45 )/16
= 12/45 *1/16
= 12/ 720 =60
-48 / (21/-32)
= -48 * - 32/21
= 1 536/ 21 = 512/ 7
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Bonjour,
-15/28 * -42/25
= 630/700 = 63/70 = 9/10
(12/45 )/16
= 12/45 *1/16
= 12/ 720 =60
-48 / (21/-32)
= -48 * - 32/21
= 1 536/ 21 = 512/ 7