Екі өрнектің квадраттарының айырымы
Authored by Айтолкын Кубельдесова
Mathematics
7th Grade
Used 270+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Жалғастыр:
a2-b2=
(a-b)(a-b)
(a-b)(a+b)
(a+b)(a+b)
(a2-b2)(a+b)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(8-2a)(8+2a)
8-2a
64-2a2
64-4a2
64-4a
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Екі мүшелердің көбейтіндісін тап:
(b-d)(b+d)
d2 – b2
–b2 – d2
b2 + d2
b2 – d2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Көбейтуді орында: (10x+7y)(7y-10x)
–49x2 + 100y2
–49x2 – 100y2
49x2 – 100y2
49y2 + 100x2
49y2 – 100x2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Екімүшені көбейткіштерге жікте: 0.09-p2
(0,3 – p)(0,3 + p)
(3 – p)(p + 3)
(0,03 – p)(0,03 + p)
(p – 0,3)(p + 0,3)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Амалдарды орында.
(–p6 + 2,5q5)(p6 + 2,5q5) =
6,25q25-p36
6,25q10-p12
-p12-6,25q10
p12-6,25q10
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
d 5s3 (0,3s – 0,7d 3)(0,3s + 0,7d 3)
d 3s3 (0,3s – 0,7d 3)(0,3s + 0,7d 3)
d 3s3 (0,3d – 0,7s3)(0,3d + 0,7s3)
d 3s3 (3s – 0,7d 3)(3s + 0,7d 3)
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