Qisqartiring: a b + c d


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1.Qisqartiring:
a) b) + 1 c) d)
2.Hisoblang:
a) a) a) a)
3.Soddalashtiring
a) -2 b) 2 c) d)
3.Soddalashtiring:
a)2,5a b)3a c) 1,5a d)2a
4. Agar bo’lsa, ning qiymatini hisoblang
a) b) c) d)
5. Agar bo’lsa ning qiymatini toping
a) 1,5 b)-1,5 c)-2,5 d)2,4
6. Soddalashtiring
a)1 b)2x-1 c)2x d)2
7. Soddalashtiring (
a) b)1 c) d)
8. Natural sonlar uchun quyidagi mulohazalardan qaysi biri noto’g’ri?
a) 3 ga va 5 ga bo’linadigon son 15 ga bo’linadi b)3 ga bo’lingan son 9 ga ham bo’linadi
c)Berilgan sonlar bo’linadigan sonlarning eng kattasi ularning eng katta umumiy bo’luvchisi bo’ladi
d)Agar ikki qo’shiluvchidan biri 11 ga bo’linib, ikkinchisi 11 ga bo’linmasa, ularning yi’gindisi 11 ga bo’linmaydi
8. Ushbu ifodani standart shakliga keltiring
a) b) c) d)
9. Agar bo’lsa ning qiymati nimaga teng?
a)3,5 b)10 c)7 d)5,5
10. ning dagi qiymatini toping?
a)96 b)99 c)101 d)91
11. Ifodani ko’paytuvchilarga ajrating :
a) (16a – 1)(4a – 3) b)8(1-2a)(4a-1) c)4(a-2)(a+3) d)4(2a+1)(4a-1)
12. Ifodaning eng kichik qiymatini toping :
a)1 b) -1 c) 0 d) -2 3) -3
13. soni quyidagilarning qaysi biriga qoldiqsiz bo’linadi?
a)23 b) 45 c) 49 d) 51
14. Ko’paytuvchilarga ajrating:
a) b) c) d)
15. Agar bo’lsa ning qiymatini toping.
a) 25 b) 27 c) 8 d) 64 e) 9
16. Agar bo’lsa, ni hisoblang
a) 2a+b b) a+b c) d)a+2b
17. ( ni soddalashtirgandan keyin hosil bo’lgan ko’phadning nechta hadi bo’ladi?
a) 4 b) 2 c) 3 d) 6
18. bo’lsa, ning qiymatini hisoblang.
a) 79 b)49 c)77 d)63
19. 36,35 va 24 sonlarining eng katta umumiy karralisinig bo’luvchilari sonining yig’indisini toping.
a) 9360 b) 9000 c)1170 d)1560
20. Ikki sonning EKUKi va EKUBi mos ravishda 420 va 35 ga teng bo’lsa, ularning ko’paytmasi dan necha marta katta?
a) 12 b) 15 c)16 d)10
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