7.klassile (võrrand+koondamine+astmed+võrre)
Authored by Heli Paal
Mathematics
KG - University
Used 17+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Lahenda võrrand:
3x + 1 = 7
x = 4
x = 1
x = 2
x = - 3
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Lahenda võrrand:
3(2x – 1) = 6x – 3
x = 0
lahendiks iga reaalarv
lahendid puuduvad
x = - 6
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Lahenda võrrand:
7x + 7 = - (x + 1)
lahendiks iga reaalarv
x = 10
x = 8
x = - 1
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Lahend võrrand:
3(x + 1) = 3x + 2000
lahendiks iga reaalarv
x = 1997
lahendid puuduvad
x = 0
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Ava sulud:
- 6( a +7y - 9)
- 6a + 45y +81
6a + 42 y- 63
- 6a - 42y + 54
- 6a - 42y - 63
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Ava sulud:
½ (x + 2 y - 10)
0,5 x + 4 y - 20
½ x + 2 y - 5
½ x + 2y -10
0,5 x + y - 5
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Kahe järjestikuse täisarvu summa on 13. Mis arvud need on?
10 ja 3
5 ja 8
6 ja 7
1 ja 12
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