
Цели изрази
Authored by Ивелина Георгиева
Mathematics
7th Grade
Used 6+ times

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7 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Извършете степенуването:
1 - 2х + 2х2
1 - 4х + 4х2
1 + 2х + 4х2
1 + 4х + 4х2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Нормалният вид на израза е:
16а2 + 20а + 25
16а2 + 40а + 25
16а2 - 40а + 25
16а2 - 20а + 25
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Нормалният вид на могочлена е:
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Многочленът е тъждествено равен на:
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
За х = -3 числената стойност на израза е:
9
3
- 3
- 9
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Извършете умножението:
25х2 + 4y2
25х2 - 2y2
25х2 - 4y2
5х2 - 4y2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Опростете израза:
4х + 20
4х - 20
-4х - 20
-4х + 20
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