Примени формулы сокращенного умножения
Authored by Таисия Александровна Будникова
Mathematics
7th - 9th Grade
Used 34+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
(6х-5у)(6х+5у)=
6х2-5у2
36х-25у
36х2-25у2
(6х-5у)2
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
(3a-2b2)2=
9a2-4b4
9a2-6ab2+4b4
9a2+12ab2+4b4
9x2-12ab2+4b4
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
(7x+8y)(8y-7x)=
7x2-8y2
64y2-49х2
49x2-64y2
(7x+8y)2
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
(9x2+4y3)2=
81x4+16y6
81x4+36x2y3+16y6
9x4+72x2y3+4y6
81x4+72x2y3+16y6
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Разложите на множители
100m8-121n10=
(10m8-11n10)(10m8+11n10)
(10m4-11n5)(10m4+11n5)
(50m4-11n5)(50m4+11n5)
нельзя
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Разложите на множители
64х4-80х2у+25у2=
(8х2-5у)2
(32х2-5у)2
(8х2-5у)
нельзя
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Разложите на множители
49k2p4+63kp2c4+81c8
(7kp2-9c4)2
(7k2p4+9c8)2
(7kp2-9c4)(7kp2+9c4)
нельзя
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