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

181. Qavslarni shunday qo’yinki tenglik to’g’ri bo’lsin: 270÷9+9×8=120

a) 270÷(9+9)×8=120 b) (270÷9)+9×8=120

s) 270÷9+(9×8)=120 d) 270÷9+9×8=120

182. Bo’linmani toping: 924÷231=

a) 3 b) 5

s) 2 d) 4

183. Amallarni bajaring va to’g’ri javobni belgilang: 720+50-210+630÷7=

a) 560 b) 650

s) 660 d) 750

184. Agar a=23 bo’lsa, 552÷a ifodaning qiymatini toping.

a) 24 b) 42

s) 34 d) 23

185. Tenglamani yeching: X+174=8032-442

a) X=7316 b) X=7590

s) X=7416 d) X=8030

186. 10000 kg necha sr gat eng?

a) 1000 sr b) 10 sr

.

s) 100 sr d) 10000 sr

187. Hunarmandlar 878 xil mahsulot ishlab chiqaradilar. Ular ishlab chiqarilgan mahsulotning 3 dan bir qismini eksport qiladilar. Necha xil mahsulot eksport qilinadi?

a) 28 xil b) 27 xil

s) 23 xil d) 29 xil