Matematika i-variant 1-chorak Qavsli ifodani bajaring: 78 – (27 + 19) =

Detsimetr bilan santimetrda ifodalang: 63 sm = dm sm

1. 
   6dm b) 3 dm c) 6 dm 3 sm d) 3 dm 6 sm
   

11. 
    Bo’sh kataklar o’rniga tegishli sonlarni qo’ying: 274 mm = dm sm mm
    

1. 
   2 dm 7 sm 4 mm b) 2 dm 4 sm c) 7 sm 4 mm d) 2 dm 7 mm
   

12. 
    Misollarni yeching: 27 · 10 =; 9 · 100 =
    

1. 
   27, 10 b) 270, 900 c) 270, 90 d) 27, 90
   

13. 
    Noma’lum ko’paytuvchini toping: 10 · X = 920
    

1. 
   10 b) 92 c) 90 d) 9200
   

14. 
    Teng yonli uchburchak deb nimaga aytiladi?
    

1. 
   Uchala tomoni teng bo’lgan uchburchakka aytiladi.
   
2. 
   Ikki tomoni teng bo’lgan uchburchak teng yonli uchburchak deyiladi.
   

c) Hamma tomoni turlicha bo’lgan uchburchakka aytiladi. d) To’g’ri javob yo’q.

15.