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Electuati urmatoarele impártiri si apoi efectuati proba prin inmultire, 1430:55. 345:15; c720 18; 217:19; 13953:67; &7000 60; dau coroana la prima persoana care raspunde​

Răspuns :

Răspuns:

345:15=23

345:15=23 Proba :2315=345

720 : 18 =40

Proba : 40 18=720

217:19=11,8

Proba : 11,819=217

13953÷67=208,25

Proba : 208,25×67=13952

7000:60=116,66

Proba : 116, 66 × 60=7000

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