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Nutzas1
a fost răspuns

Calculati prin scadere repetata citurile: 18 : 9; 21 : 7; 24 : 6; 20 : 4; 40 : 10; 20 : 2.

Răspuns :

Amarya353
18:9=18-9-9
21:7=21-7-7-7
24:6=24-6-6-6-6
20:4=20-4-4-4-4-4
40:10=40-10-10-10-10
20:2=20-2-2-2-2-2-2-2-2-2-2

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