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roooooooooooooooooooooooooooooooooooooog ajutati-ma!!!!!!!!!!!!!!!!!!!!!!!!!!!!
o bucata de scandura care are lungimea de 3 m este taiata in doua bucati, astfel incat una sa fie cu 28 cm mai mare ca cealalta.
cati cm masoara fiecare?
cu aflari(intrebari)


Răspuns :

3m=300cm
300 cm-28cm=272cm
272/2=136 cm ( o bucata)
136+28=164 (2 bucata)

a  |               |
b
 |               |   28

3m=300cm
1 egalam segmentele:
   300cm - 28=272cm
2 cati centimetri masoara prima bucata?
    
272:2=136cm
3 cati centimetri masoara a doua bucata?
    
136cm + 28=164 cm