
Adunarea numerelor raționale pozitive
Presentation
•
Mathematics
•
5th Grade
•
Hard
Bacea Ana
Used 1+ times
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3 Slides • 2 Questions
1
Adunarea numerelor raționale pozitive
Pentru a aduna două fracții avem nevoie de numitor comun. Astfel se pune numitorul comun și se adună numărătorii.
2
Fracții care nu au același numitor
Pentru a aduna două fracții care nu au același numitor, aducem fracțiile la numitor comun (prin amplificare, sau simplificare).
3
4
Multiple Choice
Care este numitorul comun al fracțiilor:
75 și 1487
14
8
5
5
Multiple Choice
125+73=
1236
1235
8471
8424
Adunarea numerelor raționale pozitive
Pentru a aduna două fracții avem nevoie de numitor comun. Astfel se pune numitorul comun și se adună numărătorii.
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