Bonjour
- 9/28 x 56/63
=- 504/1 764
= (252 x - 2) / (252 x 7)
= - 2/7.
Bonjour,
-9/28×56/63
(-9*56)/ (28* 63)
= -504/ 1 764 =-252/882 = -126/441 =-42/147 = -14/49 = -2/7
