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2500:40 , 280:7, 2800:70,630:9,6300:90,450:5,4500:50

Răspuns :

2500:40=62,5
280:7=40
2800:70=40
630:9=70
6300:90=70
450:5=90
4500:50=90
2500:40= 62,5
280:7=40
2800:70=40
630:9=70
6300:90=70
450:5=90
4500:50=90
Succes