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Exercice 61 :
↓
Enoncé :
Effectue les soustractions suivantes :
\(45{,}05 - 25{,}5\)
\(1\,245{,}8 - 315{,}65\)
\(508{,}7 - 96{,}85\)
\(2\,150{,}09 - 74{,}91\)
↓
Solution :
\(45{,}05 - 25{,}5 = 19{,}55\)
\(1\,245{,}8 - 315{,}65 = 930{,}15\)
\(508{,}7 - 96{,}85 = 411{,}85\)
\(2\,150{,}09 - 74{,}91 = 2\,075{,}18\)