January 2021 0 59 Report
Bonjour, Besoin d'aide svp.

Vraie ou faux ?
Si 7*a=9*b,alors:

A. a/b=9/7
B.a/b=7/9
C.a/9=b/7
D.a/9=7/b
E.a*b=63
F.a/b=63
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