Amallarni bajaring: (143 + 236) – (276 145) =

Amallarni bajaring: 65 : 1 + 0 · 39 =

1. 
   47 b) 40 c) 0 d) 65
   

13. 
    1 ta daftarning narxi 400 so’m. 1000 so’mga nechta daftar olish mumkin? Necha so’m ortib qoladi?
    

1. 
   2 ta (200 so’m) b) 1 ta (50 so’m) c) 3 ta (100 so’m) d) 5 ta (10 so’m)
   

14. 
    Noma’lum kamayuvchini toping: X – 367 = 434 – 134
    

1. 
   568 b) 667 c) 760 d) 678
   

15. 
    Misollarni yeching: 120 · 5 = 280 : 7 =
    

1. 
   165, 40 b) 16, 400 c) 600, 40 d) 80, 400
   

16. 
    2 ta gugurt 200 so’m turadi. 500 so’mga nechta gugurt sotib olish mumkin?
    

1. 
   5 ta b) 6 ta c) 4 ta d) 10 ta
   

17. 
    Yillarda ifodalang: 1 asr 40 yil = yil
    

1. 
   120 yil b) 220 yil c) 100 yil d) 140 yil
   

18. 
    Misolni yeching: 312 · 3 - 316 =
    

1. 
   620 b) 290 c) 900 d) 910
   

19. 
    Bo’yi 10 сm, eni 20 сm.ga teng bo’lgan yer maydonining yuzini hisoblang.
    

1. 
   202 m² b) 24 m² c) 240 m² d) 200 m²
   

20. 
    1 ta o’ramda 213 m sim bor. Shunday 2 ta o’ramda necha metr sim bo’ladi?
    

1. 
   720 m b) 426 m c) 725 m d) 726 m
   

21. 
    Bo’sh kataklar o’rniga >, < yoki = belgilarini mosini qo’ying: 1 · 447 0 · 990
    

1. 
   > b) = c) < d) =
   

22. 
    Do’konda bir kunda 420 kg un, undan 6 marta kam guruch sotildi. Do’konda necha kg guruch sotilgan?
    

1. 
   53 kg b) 54 kg c) 70 kg d) 50 kg
   

23.