teza7-2
Authored by lili botez
Mathematics
7th Grade
Used 20+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rezultatul calculului 5x+10x este .........
5x
15x
50x
-15x
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Efectuând (x+2)2 obținem .......
x2+2x+2
x2+4x+4
x2-4x+4
2x2+4x+4
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. Soluția pozitivă a ecuației x2 =64 este ..........................
-64
8
-8
32
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aria triunghiului echilateral cu latura de 6 cm este egală cu ..........
18
9√2
36√3
9√3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diagonala unui pătrat cu latura de 5 cm este egală cu .......... cm
5√2
√5
2√5
40
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
E= sin45∘⋅ cos 45∘+ctg 45∘⋅cos60∘ =……………
1
2
0
-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
BD este proiecția catetei AC pe ipotenuza BC
adevarat
fals
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