1. b ning qanday qiymatida 483+(b-139) ifodaning qiymati 541 ga teng bo‘ladi?
a) 622 b) 344 c) 197 d) 207
2. Hisoblang. 606707-328879=
a) 266882 b) 277828 c) 254328 d) 288428
3. Raqam bilan yozing. Yett i million sakkiz yuz ming sakson besh
a) 780850 b)78000085 c)780085 d)7800085
4. Hisoblang: 85·17+15·17
a)170 b)17000 c)1700 d)8500
5. Agar bitta paketga ko‘pi bilan 6 ta futbolka joylashtirish mumkin bo‘lsa, 498 ta futbolkani joylashtirish uchun nechta paket kerak?
a) 82 b) 84 c) 85 d) 83