Ko`paytmaning ta'rifi, uning mavjudligi va yagonaligi. Ko`paytirish qonunlari. Ko`paytmaning yig`indi orqali ta'rifi. Ma’ruza mashg’ulotining rejasi

To’plam nazariyasiga ko’ra ta’rifiga asoslanib, 02, 73,89 76 ni hisoblash yo’lini ko’rsating.

To’plam nazariyasiga ko’ra ta’rifiga asoslanib, 56, 94,97 86 ni hisoblash yo’lini ko’rsating.

Tarqatish qonunidan foydalanib ,quyidagi ko’paytmalarni toping?

(12+35)∙2 ; (40+7)∙3; 302∙5; 604∙9

8. 
   Ko’paytirish qonunlaridan foydalanib, quyidagilarni eng qulay usul bilan bajaring.?
   

1)2∙13∙5 2)2∙8∙9∙5 3)4∙8∙9∙5∙5
4)25∙7∙4∙11 5)28∙99 6)198∙7
7)495∙8 8)32∙999 9)16∙499

9. 
   Ko’paytmalarni toping?
   

2∙3=6 12∙5=60 12∙8=96 7∙60=420
4∙3 6∙5 12∙16 7∙30
6∙3 4∙5 12∙24 7∙20
10∙3 3∙5 12∙32 7∙15
16∙3 2∙5 12∙40 7∙12
20∙3 1∙5 12∙48 7∙10
10. Ko`rsatilgan amallarni bajaring:

1. 
   78+23•81-69
   
2. 
   78+23•(81-69)
   
3. 
   (78+23) •81-69
   
4. 
   (78+23) •(81-69)
   
5. 
   (10 101+817):53-(10 101-419):47
   
6. 
   1 008-17 119: (119-714:7)
   
7. 
   (43•19-26928:33) • (16 112:53-304)
   
8. 
   128+675-34 125:375
   

11. Quyidigilarni hisoblang:

1. 
   78•29+6 573:313-408
   
2. 
   477•85-7 784:56+ 10 809
   
3. 
   5 871:103+(247-82):5-1
   
4. 
   (395•52-603) •25-960•24
   
5. 
   [28•105+7 236:18-(4 247-1 823):6] •25
   
6. 
   1 092 322:574+152•93-(96•125-82 215:9)
   
7. 
   79 348-64•84:28+6 539:13-11 005
   
8. 
   {37 037 000:[(777 777 •9+7): 4 375+1 900]+8 547}:407
   

1-variant.

1. 
   2∙5=10 ni to`plam nazariyasi va yig`indiga asoslangan ta’riflari bo`yicha tushuntiring.
   
2. 
   “2∙5=10” ning turli ma’nolarini ochib beradigan barcha masalalarni yozing.
   
3. 
   Ko`paytirish qonunlaridan foydalanib, ifoda qiymatini hisoblang:
   

9∙13+9∙87
4∙17∙25

2-variant.

1. 
   3∙4=12 ni to`plam nazariyasi va yig`indiga asoslangan ta’riflari bo`yicha tushuntiring.
   
2. 
   “3+5=8” ning turli ma’nolarini ochib beradigan barcha masalalarni yozing.
   
3. 
   Ko`paytirish qonunlaridan foydalanib, ifoda qiymatini hisoblang:
   

17∙19-17∙9
8∙379∙125
3-variant.

1. 
   4∙4=16 ni to`plam nazariyasi bo`yicha va yig`indiga asoslangan ta’riflari bo`yicha tushuntiring.
   
2. 
   “4∙4=16” ning turli ma’nolarini ochib beradigan barcha masalalarni yozing.
   
3. 
   Ko`paytirish qonunlaridan foydalanib, ifoda qiymatini hisoblang:
   

126∙24+126∙6+126∙10
40∙7∙3∙25
4-variant.

1. 
   2∙6=12 ni to`plam nazariyasi va yig`indiga asoslangan ta’riflari bo`yicha tushuntiring.
   
2. 
   “2∙6=12” ning turli ma’nolarini ochib beradigan barcha masalalarni yozing.
   
3. 
   Ko`paytirish qonunlaridan foydalanib, ifoda qiymatini hisoblang:
   

7∙43+9∙43+15∙43
24∙19∙25∙5
Nomanfiy butun sonlar ko`paytmasi