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a fost răspuns

Ma ajutati si pe mine 7supra125+1supra5
2supra9+7supra2
7supra5+1supra15
9supra11+1supra2
1supra202+1supra2

Răspuns :

Renatemambouko
2/9+7/2 =(4+63)/18=67/18
7/5+1/15=(21+1)/15=22/15
9/11+1/2 =(18+11)/22=29/22
1/202+1/2=(1+101)/202=102/202=51/101
2/9×7/2=4/18+63/18=67/18 7/5+1/15=21/15+1/15=22/15 9/11+1/2=18/22+11/22=29/22

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