Қысқаша көбейту формуласы 7 сынып
Quiz
•
Mathematics
•
7th Grade
•
Hard
Шынар Бектурова
Used 69+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. (2a+3b)2 амалды орындаңдар.
4a2+9b2
4a2+12ab+9b2
4a2+12ab+3b2
4a2-12ab+9b2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
12x+x2+36 өрнегін екімүшенің квадраты түрінде жазыңдар:
(x-6)2
(x-4)2
(x+6)2
(2x-6)2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Амалды орындаңдар: (b+2a)(2a-b)
b2-4a2
4ab+b2
В)2a2-b2
Б)4a2-b2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(k+2n2)2=25m2+20mn2+4n4 k-орнына теңдік тура болатындай өрнекті қойыңдар:
25m2
5m
5m2
5m4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
? –н тура теңбе- теңдік болатындай етіп алмастырыңдар:
(9x+ ?)(9x-?)=81x2-121a2
11b2
11a
11a2
121a2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
х2 – 9 көпмүшелерін көбейткіштерге жіктеңдер.
(х - 9)(х + 9)
Б) (3-х)(х+3);
(х - 3)(х +3);
В) (9-х)(9+х)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
а3- 27в3 көпмүшесін көбейткіштерге жіктеңдер.
( а + 3в)(а2 + 3ав + 9в2);
( а + 3в)(а2 – 3ав + 9в2);
( а - 3в)(а2 + 3ав + 9в2);
В) ( а + 9в)(а2 + 3ав + 9в2);
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(m - 4)(m - 4) көбейтіндісін көпмүше түрінде жазыңдар
m2-8mn +16
m2+8mn +16
m2-8mn - 16
m2-8mn - 16
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