а) 2894; b)405; v)2802; g)785.
12. Yuiduzcha o‘rniga qanday raqam qo‘yilsa, 5*62 soni 9 ga bo‘linadi ?
a) 0; b) 2; v) 9; g) 5.
. 13. Akasi 15 yoshda , singlisi 3 marta kichik. Singlisi necha yoshda?
a) 3yoshda b) 4 yoshda d) 5yoshda
14. Kvadratning yuzi 81 sm.kv . Uning tomonlari uzunligini toping.
a) 81 sm .kv b) 9 sm
d)8 sm
15 To'g'ri to'rtburchakning yuzi 36 sm.kv , e'ni 4 sm, bo'yini toping.
a) 5sm
b) 9sm
d)8sm
16. 10000 sonidan 10 marta kichik sonni o'ylab toping.
a) 1000
b)100
d)10
17.180 sonidan 100 marta katta sonni toping.
a) 18000
b)1800
d) 180000
18 280+ x = 420 . Noma'lum qo'shiluvchini toping.
a)130
b)140
d) 145
19. Tomonlari 3sm, 2sm, 2sm bo'lgan uchburchakning perimetrini toping.
a) 7 sm
b) 12 sm d)13 sm.
20. 962707 sonidan nеchta ming bor?
a) 96
b)962
c)9627
d)96270
Matematika 5- sinf 1-variant
2.
Sonlardan qaysibi katta,
40000 + 8000 +800 + 80 + 8 kattani,
yoki 50000 + 2000 + 200 + 20 + 2 ?
a) birinchisi;
b) ikkinchisi; v) sonlar teng; g) 6 ga farq qiladi.
3.
Amallarni bajaring 105 ∙ 38 + 23
а) 3990; b) 4003; v) 4013; g) 40 030.
5.
Amallarni bajaring (231643 + 7112) : 55
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