Matematika 3-sinf i-variant 1-chorak

Agar a=68, b=40 bo’lsa, a - b ifodaning qiymatini toping.

1. 
   38 b) 88 c) 86 d) 28
   

12. 
    Bo’linmani toping: 46 : 2 =
    

1. 
   24 b) 32 c) 23 d) 28
   

13. 
    2 ta qutida 6 tadan, 5 ta qutida 10 tadan qalam bor. Hamma qalamlar nechta?
    

1. 
   62 ta b) 60 ta c) 70 ta d) 69 ta
   

14. 
    Noma’lum bo’linuvchini toping: X : 6 = 10
    

1. 
   60 b) 30 c) 50 d) 70
   

15. 
    50 bilan 10 ning yig’indisini 6 ga bo’ling.
    

1. 
   5 b) 9 c) 10 d) 7
   

16. 
    4 ta guldastada 20 ta gul bor. Shunday 8 ta guldasta uchun nechta gul kerak bo’ladi?
    

1. 
   64 ta b) 42 ta c) 45 ta d) 40 ta
   

17. 
    Amallarni bajaring: 20 · 2 - 5 · 2 =
    

1. 
   43 b) 30 c) 31 d) 34
   

18. 
    Qoldiqli bo’lishni bajaring: 37 : 2 =
    

1. 
   17 (3 qold) b) 16 (4 qold) c) 18 (1 qold) d) 15 (1 qold)
   

19. 
    Ko’paytmani toping: 4 · 1 · 2 · 3 =
    

1. 
   18 b) 28 c) 15 d) 24
   

20. 
    Ota 45 yoshda, o’g’lining yoshi 9 yosh. O’g’lining yoshi otasining yoshidan necha marta kichik?
    

1. 
   4 marta b) 3 marta c) 2 marta d) 5 marta
   

21. 
    11 ta nokni 2 ta vazaga teng taqsimlab chiqish uchun har bir vazaga nechtadan nok qo’yish kerak? Nechta nok qoldiq sifatida ortib qoladi?
    

1. 
   4 (3 qold) b) 5 (1 qold) c) 7 (1 qold) d) 2 (2 qold)
   

22. 
    Tomonlari 3 sm.ga teng bo’lgan kvadratning yuzini hisoblang.
    

1. 
   18 sm² b) 8 sm² c) 9 sm² d) 20 sm²
   

23.