Question

Ex 2, va rog, dau coroana!

Answer 1

Răspuns:

Explicație pas cu pas:

5 costume copii_____4 costume dama_____22 m/x3

3 costume copii_____5 costume dama_____21 m/x5

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15 costume copii_____12 costume dama_____66 m

15 costume copii_____25 costume dama_____105m

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      //______________13 costume dama_____39m

1 costum de dama=39:13

1 costum de dama=3m

5 costume copii+4x3=22m

5 costume copii+12=22 m

5cotume copii=10m

1 costum copii=10:5

1 costum copii=2m

2costume copii x 2m x 31 lei/m=4x31=124 lei

1costum dama x 3m x 31lei/m= 3x31=93 lei