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

103. Berilgan misolda amallar tartibi to’g’ri ko’rsatilgan qatorni belgilang:

224+136÷4-425×2=

1. 
   1-bo’lish, 2-ko’paytirish, 3-qo’shish, 4-ayirish amali bajariladi
   
2. 
   1-qo’shish, 2-bo’lish, 3-ko’paytirish, 4-ayirish amali bajariladi
   

19. 
    1-ayirish, 2-ko’paytirish, 3-qo’shish, 4-bo’lish amali bajariladi
    

4. 
   1-ko’paytirish, 2-qo’shish, 3-ayirish, 4-bo’lish amali bajariladi
   

104. Tenglamani yeching: X×9=45

a) X=6 b) X=4

s) X=3 d) X=5




1 05. Ushbu shaklda nechta uchburchak bor?

a) 6 ta b) 4 ta

87.

s) 5 ta d) 3 ta

106. Tomonlari 3 sm va 5 sm bo’lgan to’g’ri to’rtburchakning perimetrini toping.

a) 18 sm b) 15 sm

s) 16 sm d) 20 sm

107. Amallarni bajaring: 50401×7-8025×4=

a) 320777 b) 321707

s) 320706 d) 320707