4-sinf O’qish Davlatimiz o’z mustaqilligiga qachon erishdi?

4 2. Tarvuzlar---220 kg

Qovunlar---? 50 kg kam ---? Kg masalaning javobini toping.

1. 
   390 kg b) 520 kg
   

s) 470 kg d) 490 kg

V. To’rt arifmetik amal va ularning bajarilishi.

43. Faqat qo’shish va ayirish amallari bo’lgan misollarda amallar tartibi qanday bajariladi?

a) amallar tartibi o’ngdan chapga qarab bajariladi

b) amallar tartibi chapdan o’nga qarab bajariladi

s) birinchi qo’shish amali bajariladi

d) birinchi ayirish amali bajariladi

44. 3 dm necha sm ga teng?

a) 3 sm b) 20 sm

s) 10 sm d) 30 sm

45. 24 metr matodan 6 ta bir xil ko’ylak tikildi. 44 metr matodan nechta ko’ylak tikish mumkin?

a) 11 ta b) 9 ta

s) 10 ta d) 8 ta

46. Qavsli ifodalarda amallar tartibi qanday bajariladi?

a) qavs oldidagi amal birinchi bajariladi

b) qavsdan keyingi amal birinchi bajariladi

s) birinchi qavs ichidagi amal, songra boshqa amallar bajariladi

d) qo’shish amali bajariladi