
Nevezetes szorzat sziget
Authored by András Dézsi
Mathematics
9th Grade
Used 25+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Melyikkel lesz egyenlő az (a+b)2 ?
a2+b2
a2+ab+b2
a2+2ab+b2
a+2ab+b
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Melyik a helyes?
(a+b)(a-b)=a2-b2
(a-b)(a+b)=a2+ab+b2
(a+b)(a-b)=a2-2ab-b2
(a+b)(a-b)=a2+2ab+b2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Mivel egyenlő (4x-7)(4x+7)=?
16x²-49
4x²+56x-49
16x²-49x-49
4x²-49
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Melyikkel lesz egyenlő
?
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(3x+7)²
9x²+42x+49
3x²+44x+49
9x²+49
3x²+49
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