
Fracții mai complexe
Presentation
•
Mathematics
•
6th Grade
•
Hard
Roxana G
FREE Resource
6 Slides • 5 Questions
1
Fracții mai complexe
2
Multiple Choice
Care dintre următoarele este egal cu 44+41?
41
1
1617
3
Explicație
Înmulțind cu 44, obținem 1617.
4
Multiple Choice
Care dintre următoarele este egal cu 711?
71
7
81
1
5
Explicație
Deoarece împărțirea unei fracții este echivalentă cu înmulțirea cu reciproca, avem:
6
Multiple Choice
Care dintre următoarele este egal cu
1726
32
21
2617
7
Explicație
Înmulțirea cu 88, obțnem 2617.
8
Fill in the Blanks
1383=a+b+c+d+21111
Ecuația de mai sus este valabilă pentru numerele întregi pozitive a, b, c și d. Găsiți a + b + c − d.
Type answer...
9
Explicație
Deoarece
1383=6+135,
135=5131=2+531,53=351=1+321 și
32=231=1+211,
avem
1383=6+2+1+1+21111.
Prin urmare, a + b + c − d = 6 + 2 + 1 − 1 = 8.
10
Multiple Choice
Care dintre următoarele este egal cu 21+32−413?
47
411
1136
1123
11
Explicație
Avem 21+32−413=126+128−1233=126+8−33=12113=3×1112=1136.
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