Musbat va manfiy sonlarni ko’paytirish
![Mavzu:”Musbat va manfiy sonlarni Mavzu:”Musbat va manfiy sonlarni
ko’paytirish”ko’paytirish”](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_1.png)
![O’tilgan mavzularni takrorlash
1.Butun sonlar deb qanday sonlarga
aytiladi?
2.Sonning moduli deb nimaga
aytiladi?
3.Musbat sonning moduli nimaga
teng?
4.Manfiy sonning moduli nimaga
teng?
5.Manfiy sonlar qanday qo’shiladi?
6.Musbat sonlar qanday qo’shiladi?](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_2.png)
![-6-8
-3 -17
15](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_3.png)
![3,6,8,15,17Sonlarni modullarini o’sib borish
tartibida joylashtiring](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_4.png)
![1)3+5
2)12-(-2)
3)-3+15
4)-6+(-1)
5)-7+3
6)-13-2
7)-18+6
8) -3+6
9)-6+6
10)14+(-10) 1)-4 y
2)-7 a
3)4
sh
4)-15 t
5)8 k
6)-12 i
7)14 o’
8)3 r
9)12 p
10)0 iBugungi mavzuni quydagi misollarni yechib bilib
olishingiz mumkin](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_5.png)
![Sonlarni ko’paytirish
• 1-qoida. Bir xil ishorali ikkita sonni
ko’paytirish uchun ularning modullari
ko’paytiriladi va ko’paytma oldiga “+”
ishorasi qo’yiladi
• 2,3*3=6,9; -7*(-8)=56
• 2-qoida. Har xil ishorali ikkita sonni
ko’paytirish uchun ularning modullari
ko’paytiriladi va ko’paytma oldiga “+”
ishorasi qo’yiladi
• -7*4,3=-30,1 45*(-5)=-225](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_6.png)
![2) -7*(-1)
3) -25*(-4)
4) 7*(-1)
5) (-1)*(-2)
– bir yigitga qirq hunar oz
- yetti o’lchab-bir kes.
не имей сто рублей ,
а имей сто друзей.
-bir bolaga yetti qo’shni
ota-ona.
-Two heads are better
than one. 1)-20*2](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_7.png)
![a b a*b
+ + + Do’stimning do’sti
mening ham do’stim
- - + Dushmanimning
dushmani mening
do’stim
+ - - Do’stimning dushmani
mening ham
dushmanim
- + - Dushmanimning do’stii
mening dushmanim](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_8.png)
![savollar Kalit sozi javoblar
1)-8*11 Sh 60
2)15*(-6) I 0
3)-3*(-12) L -90
4)48*(-11) Q -528
5)-57*(-3) A -88
6)(-12)*(-5) U 171
7)12*(-4) I 36
8)0*(-56) Ch -48](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_9.png)
![1 2 3 4 5 6 7 8
А l i Q u sh ch iTest kaliti
Alouddin Ali
ibn Muhammad
Qushchi
(1403-1474)](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_10.png)
![Alouddin Ali ibn Muhammad
Qushchi(1403-1474)
• Bizning yurtimizda “musbat son” va
“manfiy son” atamalari Mirzo
Ulug’bekning shogirdi, uning ilmiy
maktabining yirik vakili , buyuk olim Ali
Qushchi tomonidan “Kitob-ul-
Muhammadiya” asrlarida keltirilgan.Ali
Qushchi yozadi: “Shuni bilish kerakki ,
har bir son musbat yoki manfiy bo’lishi
mumkin”
• Ali Qushchi sonlarni ko’paytirishni
ta’riflab, ushbu tengliklarning o’rinli
bo’lishini ko’rsatgan
• (+a)*(-b)=-ab, (-a)*(+b)=-ab,(-a)*(-b)=ab](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_11.png)
![Topishmoqlar
1) Men ham kerakli sonman
Aslida raqamdirman.
Butun son ham bo'laman
Ammo manfiy va musbat
Sonlar bo'la olmayman
Men shunday ajoyib sonman.
Javob; 0](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_12.png)
![• 2) Bir birimizga o'xshaymiz,
Faqat boshqacha ishoramiz.
Ammo bizni qo'shib ko'rsang,
Nolga aylanib qolamiz
Biz shunday ajoyib sonmiz.
Javob;
qarama-qarsi
sonlar](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_13.png)
![• 3) Biz kundalik hayotda
Juda kerak bo'lamiz.
Havoni isitamiz
Tog'larni ko'taramiz.
Savdoda daromadmiz
Biz shunday ajoyib sonmiz.
• Javob; musbat sonlar](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_14.png)
![• 4) Bizdan xafa bo'larlar
Savodsiz savdogarlar.
Xaritada chuqurlik
Ob-havoda sovuqlik
Biz shunday ajoyib sonmiz.
• Javob; manfiy sonlar](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_15.png)
![• 5) Sanashda kerakmizdir
Sonlardan birinchimiz.
Bizdan tashkil topadi
Fandagi barcha sonlar
Biz shunday ajoyib sonmiz.
Javob; natural sonlar](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_16.png)
![• 6) Ham oddiy,ham o'nli,
Kabi bizning nomimiz.
Butunni teng bo'lishdan
Kelib chiqar nomimiz.
Surat va maxrajlari
Doim birga yuradi
Biz shunday ajoyib sonmiz
• Javob; kasr sonlar](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_17.png)
![](/data/documents/30b88a39-ad36-4de3-96f7-4f67ba560578/page_18.png)
Mavzu:”Musbat va manfiy sonlarni Mavzu:”Musbat va manfiy sonlarni ko’paytirish”ko’paytirish”
O’tilgan mavzularni takrorlash 1.Butun sonlar deb qanday sonlarga aytiladi? 2.Sonning moduli deb nimaga aytiladi? 3.Musbat sonning moduli nimaga teng? 4.Manfiy sonning moduli nimaga teng? 5.Manfiy sonlar qanday qo’shiladi? 6.Musbat sonlar qanday qo’shiladi?
-6-8 -3 -17 15
3,6,8,15,17Sonlarni modullarini o’sib borish tartibida joylashtiring
1)3+5 2)12-(-2) 3)-3+15 4)-6+(-1) 5)-7+3 6)-13-2 7)-18+6 8) -3+6 9)-6+6 10)14+(-10) 1)-4 y 2)-7 a 3)4 sh 4)-15 t 5)8 k 6)-12 i 7)14 o’ 8)3 r 9)12 p 10)0 iBugungi mavzuni quydagi misollarni yechib bilib olishingiz mumkin