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Intr-o cisterna s-au pus 2020 litri de lapte, iar in alta cisterna , cu 205 litri mai mult.
Aflati cati litri de lapte sunt in cele doua cisterne.


Răspuns :

2020+(2020+205)=2020+2225=4245
cisterna 1 =2020 litri
cisterna 2= cisterna 1+205 litri⇒
cisterna 2=2020+205=2225 litri
2020+2225=4245 litri in total