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Geo200y
a fost răspuns

noua crini costa cat 33 de gladiole .stiind ca 15 crini costa 165 de lei ,afla cati lei costa 25 de gladoliole.

Răspuns :

9 crini=33 gladiole
15 crini ..... 165 lei
25 gladiole ..... ? lei
________________
1 crin=165:15
1 crin=11 lei
| 9 crini=33 gladiole |
11×9 lei =33 gladiole
99 lei=33 gladiole
1 gladiola=99:33
1 gladiola=3 lei
25 gladiole=3×25
25 gladiole=75 lei

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