December 2020 0 69 Report
1)bonjour vous pouvez m'aider en maths svppppp calcul etape par etape svp a. 2+1/3-1/6
b.3/2--7/6+1/4
c.2/7+5/-14-1/28
2) recopier et completer les egalités suivantes:
a.2/3+.../...=3/5
b.-7/4+.../....=5/8
c.-9/7+.../...=1/2
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