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Sase cutii cu biscuit,de acelasi fel, cantaresc 24 kg.
Cate kg vor cantari 4 cutii Dar 10 cutii?


Răspuns :

Schema:
6 cutii......24 kg
4 cutii......?kg
10 cutii.....? kg
Rezolvare:
1) 
Aflam cat cantareste o cutie.
24 kg:6=4kg
2) Aflam cat cantaresc 4 cutii.
4 kg *4=16 kg
3) Aflam cat cantaresc 10 cutii.
4 kg *10=40 kg
Raspuns: 4 cutii cantaresc 16 kg. 10 cutii cantaresc 40 kg.


24:6=4(kg cantareste o cutie)
4x4=16(kg cantaresc 4 cutii)
4x10=40(kg cantaresc10 cutii)