65. Bir yil 12 oyga teng. 4 yil necha oyga teng . a) 32 oy b) 48 oy
s) 10 oy d) 24 oy
66. 63 sentner necha kilogrammga teng? a) 6300 kg b) 63 kg
s) 630 kg d) 63000 kg
67. Hisoblang va to’g’ri javobni belgilang: 326 m 47 sm+19 m 84 sm= a) 346 m 32 sm b) 346 m 31 sm
s) 346 m 33 sm d) 345 m 31 sm
68. Ifoda tuzing va qiymatini hisoblang:
13045 va 828 sonlarining yig’indisini 1536 ta kamaytiring.
12347 b) 11337
s) 12337 d) 12327
69. a=64, b=8, c=20 bo’lsa, a:b*c ifodaning qiymatini toping. a) 140 b) 150
s) 180 d) 160
70.
Bor edi
Sotildi
Qoldi
1-kun—620 ta
1530 ta quyon
2-kun—200 ta
--? ta
Masalaning javobi to’g’ri berilgan qatorni belgilang. a)610 ta b) 710 ta
s) 810 ta d) 720 ta
Mustahkamlash uchun mashqlar. 71. Natijani hisoblang: 256848 308657 a)565505 b) 565504
s) 565565 d) 555503
72. Qavsni shunday qo’yinki, tenglik to’g’ri bo’lsin: 40×8-6÷2=200 a) (40×8)-6÷2=200 b) 40×8-6÷2=200
s) (40×8-6÷2)=200 d) 40×(8-6÷2)=200
73. Ikki to’quvchi 96 tadan paypoq to’qish uchun buyurtma olishdi. Ulardan biri bir haftada 12 ta, ikkinchisi esa 16 ta paypoq to’qidi. To’quvchilardan qaysi biri ishni oldin tugatadi va necha hafta oldin tugatadi? a) 2- to’quvchi, 1 hafta b) 2- to’quvchi, 2 hafta
s) 1-to’quvchi 2 hafta d) 1-to’quvchi, 1 hafta