Calcule 24: 1/4=
10: 1/5=
10: 2 1/2=
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24/1/4=24/1.4/1=96/1
10/1/5=10/1.5/1=50/1
10/21/2=10/1.2/21=20/21
10/1/5=10/1.5/1=50/1
10/21/2=10/1.2/21=20/21
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