
Numerele naturale
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•
Mathematics
•
5th Grade
•
Hard
Ștefan Bulai
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4 Slides • 0 Questions
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Numerele naturale
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Aproximări
Aproximarea prin lipsă la zeci înseamnă scăderea numărului natural până la cel mai mare număr mai mic decât numărul natural format din zeci.
La aproximarea prin lipsă la zeci trebuie sa scădem unităţile astfel încât cifra unităţilor să fie 0.
Aproximarea prin adaos la zeci reprezintă cel mai mic număr natural mai mare sau egal cu numărul natural format numai din zeci.
3
Rotunjiri
Rotunjirea la zeci a numerelor naturale (prin lipsă sau adaos) este aproximarea numerelor naturale (prin lipsă sau adaos) la cea mai apropiată valoare a numărului respectiv .
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Numerele naturale
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