0-variant – topshiriq

3 – topshiriq.
1-variant.

1. 
   2+5=7 ni to`plam nazariyasi bo`yicha tushuntiring.
   
2. 
   “2+5=7” ning turli ma’nolarini ochib beradigan barcha masalalarni yozing.
   
3. 
   Qo`shish qonunlaridan foydalanib, ifoda qiymatini hisoblang:
   

273+154+1227+446

4. 
   9-5=4 ni to`plam nazariyasi bo`yicha tushuntiring.
   
5. 
   “9-5=4” ning turli ma’nolarini ochib beradigan barcha masalalarni yozing.
   
6. 
   Ayurish qoidalaridan foydalanib, ifoda qiymatini hisoblang:
   

(3748+10392)-8392

2-variant.

1. 
   3+5=8ni to`plam nazariyasi bo`yicha tushuntiring.
   
2. 
   “3+5=8” ning turli ma’nolarini ochib beradigan barcha masalalarni yozing.
   
3. 
   Qo`shish qonunlaridan foydalanib, ifoda qiymatini hisoblang:
   

372+4356+28+544

4. 
   8-5=3 ni to`plam nazariyasi bo`yicha tushuntiring.
   
5. 
   “8-5=3” ning turli ma’nolarini ochib beradigan barcha masalalarni yozing.
   
6. 
   Ayurish qoidalaridan foydalanib, ifoda qiymatini hisoblang:
   

7273-(396+1173)

3-variant.

1. 
   4+5=9 ni to`plam nazariyasi bo`yicha tushuntiring.
   
2. 
   “4+5=9” ning turli ma’nolarini ochib beradigan barcha masalalarni yozing.
   
3. 
   Qo`shish qonunlaridan foydalanib, ifoda qiymatini hisoblang:
   

871+2475+89+325

4. 
   7-4=3 ni to`plam nazariyasi bo`yicha tushuntiring.
   
5. 
   “7-4=3” ning turli ma’nolarini ochib beradigan barcha masalalarni yozing.
   
6. 
   Ayurish qoidalaridan foydalanib, ifoda qiymatini hisoblang:
   

(763+946)-263

4-variant.

1. 
   2+6=8 ni to`plam nazariyasi bo`yicha tushuntiring.
   
2. 
   “2+6=8” ning turli ma’nolarini ochib beradigan barcha masalalarni yozing.
   
3. 
   Qo`shish qonunlaridan foydalanib, ifoda qiymatini hisoblang:
   

573+3655+427+345.

4. 
   6-4=2 ni to`plam nazariyasi bo`yicha tushuntiring.
   
5. 
   “6-4=2” ning turli ma’nolarini ochib beradigan barcha masalalarni yozing.
   
6. 
   Ayurish qoidalaridan foydalanib, ifoda qiymatini hisoblang:
   

568-223-145

4 – topshiriq: Nomanfiy butun sonlarni qo`shish
, bu yerda va .

Masalan: to`plamlarni olamiz. Ularni birlashtiramiz. sanash yo`li bilan ekanligini aniqlaymiz. . Demak, 5+2=7.

To’plam nazariyasiga ko’ra ta’rifiga asoslanib, 9+5, 5+3, 8+5 ni hisoblash yo’lini ko’rsating.

To’plamnazariyasigako’rata’rifigaasoslanib, 7+5, 4+6, 2+3, 5+4 ni hisoblash yo’lini ko’rsating.

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

1. 
   27+39+13+11
   
2. 
   38+94+12+16
   
3. 
   49+29+87+31+51+13
   
4. 
   18+39+27+12+23
   

O‘rin almashtirish va gruppalash qonunlaridan foydalanib, quyidagi misollarni eng qulay yo‘l bilan yeching:

1. 
   2608+529+392+271
   
2. 
   1016+704+250+884+296
   
3. 
   10556+8074+ 9444+926+1000
   
4. 
   1720+863+280+137
   

Quyidagi yig‘indilarini ikki usul bilan toping:

1. 
   4098+(1765+7908)
   
2. 
   7509+(12078+9067)
   
3. 
   15728+(4987+3751+7399)
   
4. 
   10087+(3445+5684+7889)