
7 сынып Қысқаша көбейту формулалары
Authored by Дина Нұржанова
Mathematics
7th Grade
Used 9+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Көбейтуді орында
(х-5)(х+5)=
х2 -49
х2 -36
х2 -25
х2 -16
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Көбейтуді орында
(х-6)(х+6)=
х2 -49
х2 -36
х2 -25
х2 -16
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Көбейтуді орында
(0,4-n)(0,4+m)=
0,16-nm
16-n2
16-m2
0,16+nm
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Көбейтуді орында
(d-2,2)(d+2,2)=
d2 -484
d2 -2,2
d2 -4,84
4.84-d2
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Көбейтуді орында
(x-5)(5+x)=
x2 -10x+25
x2 +25
x2 -10x-5
x2 -25
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Көбейтуді орында
(9x-5y)(9x+5y)=
81x2-25y2
25y2-81x2
9x2-5y2
81x2+25y2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Көбейтуді орында
(13k+2d)(2d-13k)=
169k2-4d2
169k2+4d2
4d2-169k2
4k2-169d2
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