Tenglamalar yechish
![« Tenglamalar yechish »](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_1.png)
![Og’zaki hisob
Qavslarni oching :
4+( a+b+3d)
-6+(8,3-3x)
5(4x+3) – 3(x+3)
2.Tenglamani yeching :
1)6 x=-24 3) 7x+35=0
2) -40x=80 4) 2x=0
3.Ifodaning qiymatini toping :
1)-60+12 3)-45+(-34)
2)-70-12 4)160-182 = a+b+3d+4
= 2,3-3x
= 17x+6
x=-4
x=-2 x=0x=- 5
= -48
= -82 = -79
= -22](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_2.png)
![Tenglamani yechish – uning
barcha ildizilarini topish yoki
ularning yoqligini ko’rsatish
demakdir.Tenglamani yechish
Tenglama – bu harf bilan
belgilangan noma’lum son
qatnashgan tenglikdir.](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_3.png)
![1 usul
6( x+4)=12
6x+24=12
6x =12-24
6x=-
12 x= - 12 :6
x=-2
J av ob :-2 Tenglamani taqsimot qonunidan
foydalanib yechamiz:](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_4.png)
![2 usul Aniq sonlarni bir t omonga noma’lumlarni bir
t omonga o’t k azib olamiz
6( x+4)=12
x+4=12 :6
x+4=2
x=2-4
x=-2
Javob :-2](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_5.png)
![Tenglamaning ildizi deb,
noma’lumning shu t englamani
t o’g’ri t englik k a ay lant iradigan
qiy mat ga ay t iladi
Tek shirish :
6(-2+4)=12
6·2=12
12=12
J av ob : -2](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_6.png)
![•
Agar t o’g’ri t englik ning bir xil son qo’shilsa
y ok i ik k ala qismidan bir xil son ay rilsa ham
t o’g’ri t englik hosil bo’ladi.
5 x+(4x-6)=8x-
3
5x+4x-6=8x-
3
9x - 6 = 8x - 3
9x-8x=-3+6
x=3
Javob : 3Misol :
+6-
8x](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_7.png)
![0,5x-0,2x=-3
0,3x=-3
x=-3 :0,3
x=-10
Javob : -10 .
-9 n+5n=-33,1-6,9
-4n=-40
n=10
Javob : 10.-0,4a-0,3a=14
-0,7a=14
a=14 :(-0,7)
а= -20
Javob : -20.а) 0,5 x+3=0,2x
б) -0,4а-14=0,3а г)6,9-9 n=-5n-33,1](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_8.png)
![а)9 5
3
2
3
9
7
x x
45 6 27 7 x x
27 45 6 7 x x
18 x
Tenglamaning ikkala tomonini 9 ga ko’paytiramizIkkala kasrning eng kichik
karralisi (9)
5
3
2
3
9
7
x x2.
Kasrdan qutilish uchun ikkala tomonini bir xil maxrajga keltirib
olamiz
Javob: 18](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_9.png)
![kasrlarning eng kichik umumiy karrali 12 3
4
1
2
2
1
3
2
у у у
24 36 3 6 8 у у у
60 у
60 уб)
Tenglamaning ikkala tomonini 12 ga
ko’paytiramiz:
3
4
1
2
2
1
3
2
у у у (12)
Javob : 60](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_10.png)
![3. Birinchi dishda ikkinchi idishga qaraganda 3 marta ko’p sut bor.
Agar birinchi idishdan ikkinchi idishga 20 l sut quyilsa ulardagi
sut teng bo’lib qoladi. Dastavval idishlarda qancha sut bo’lgan
Yechish :
Javob : 20 l ; 60 l .Masalaning shartiga ko’ra tenglik to’g’ri bo’lishi uchun
3 x -20 =x+20
3x-x=20+20
2x=40
x=40 :2
x=20
Demak ikkinchi idishda 20 l sut , birinchi idishda – 60 l .1 idish
2 idish 3 x
x 3x-20
x+20Bor edi Bo’lib qoldi](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_11.png)
![Dars yakuni
- tenglamani yechish deganda nimani tushunasiz ?
- tenglamaning ildizi nima?
- qanday qilib tenglama to’g’ri yechilganini bilish mumkin ?- Qanday tenglik tenglama deyiladi ?](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_12.png)
![B iz uchun dasr
juda tez o’tib
ketdi. Y ana
davom etsayidi!
B iz darsga
tushundik Darsdan xulosa
chiqardingizmi?
M en xech
narsani
tushunm adim](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_13.png)
![U y g a v a z ifa](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_14.png)
![Ko’zing bilan uchburchak chiz
Yan ko’zing bilan uchburchak chiz
Endi uni aylantir
Tepadagi burchagi pastga bo’lguncha .
ko’zing bilan endi sen
Uning perimetrini kuzat!
Vertikal holda sakkini chizgin
Lekin boshing qimirlamasin
Faqat ko’zing bilan oxista](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_15.png)
![Foydalanilgan manbalar :
1. Darslik .
2. Mikki Maus multfilmi qahramonlari :
http://multiki-kartinki.narod.ru/mikki_maus.html
3.Moskva shahri №1179 maktabi o’qituvchisi Саркисян
Инна C ергеевна taqdimoti](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_16.png)
![E’tiboringiz
uchun
paxmat !](/data/documents/cbb51339-342e-47ea-97a8-36d0e2a2170a/page_17.png)
« Tenglamalar yechish »
Og’zaki hisob Qavslarni oching : 4+( a+b+3d) -6+(8,3-3x) 5(4x+3) – 3(x+3) 2.Tenglamani yeching : 1)6 x=-24 3) 7x+35=0 2) -40x=80 4) 2x=0 3.Ifodaning qiymatini toping : 1)-60+12 3)-45+(-34) 2)-70-12 4)160-182 = a+b+3d+4 = 2,3-3x = 17x+6 x=-4 x=-2 x=0x=- 5 = -48 = -82 = -79 = -22
Tenglamani yechish – uning barcha ildizilarini topish yoki ularning yoqligini ko’rsatish demakdir.Tenglamani yechish Tenglama – bu harf bilan belgilangan noma’lum son qatnashgan tenglikdir.
1 usul 6( x+4)=12 6x+24=12 6x =12-24 6x=- 12 x= - 12 :6 x=-2 J av ob :-2 Tenglamani taqsimot qonunidan foydalanib yechamiz:
2 usul Aniq sonlarni bir t omonga noma’lumlarni bir t omonga o’t k azib olamiz 6( x+4)=12 x+4=12 :6 x+4=2 x=2-4 x=-2 Javob :-2