«Море возможностей»
Authored by Jasur Irisbekov
Mathematics
7th Grade
Used 4+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Вычисли: 412 – 312
72
720
730
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2)Вычисли: 26^2 – 74^2
-4800
4800
-480
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3)Разложи на множители: a^4 – 8a^2 + 16
(a^2 + 4)^2
(a – 4)^2
(a^2 – 4)^2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4)Выполни действие: (х + 1)^2
х^2 + 2х + 1
(х^3 – 4) (х^3 + 4)
(х^2 – 2) (х^2 + 2х + 4)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5)Разложи на множители: 25b^2 – 16c^4
(5b – 4c^2)^2
(5b – 4c^2) (5b + 4с^2)
(5b – 4c) (5b + 4c)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4)Выполни действие: (с – 2)^2
с^2 – 4с + 4
(1 – c^3 ) ( 1 + c^3)
(1 – с^3) ( 1 + 2с^3 + с^6)
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