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Authored by Meyrzhan Barmagambetov
Mathematics
7th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(а+в)2
а2+ав+в2
а2+2ав+в2
а2-2ав+в2
а2-ав+в2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(а+в)(а-в)
(а+в)2
а2+ав
(а-в)2
а2-в2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
р2-16с2
(р-16с)(р+16с)
(р-4с)(р+4с)
(р-4)2
(р-4с)2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
а3+в3
(а-в)(а2+ав+в2)
(а-в)(а2-2ав+в2)
(а+в)(а2-ав+в2)
(а+в)(а2+ав+в2)
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(х+5)2
х2-25
х2+10х+25
х2-10х+25
х2+5х+25
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
4ав+20а
4(в+5)
4(ав+5а)
4а(в+5)
4а(в-5)
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
а2-49
(а-7)(а+7)
а2+49
(а-49)(а+49)
(а-7)2
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