15. Kvadratning yuzi 36 m2 ga teng. Uning tomonini toping:
A) 5; B) 7; C) 6; D) 8.
16. To’g’ri to’rtburchakning bo’yi 10 sm, eni 7 sm bo’lsa, Uning yuzini toping.
A) 85 sm2; B) 75 sm2; C) 17 sm2; D) 70 sm2.
17. 476 456 sonini yozish uchun nechta turli raqam ishtirok etgan?
A) 2 ta; B) 4 ta; C) 5 ta; D) 6 ta.
18. Raqamlar bilan yozing: Uch million o’n to’rt ming besh.
A) 31 405; C) 300 145;
B) 3 014 005; D) 3 140 005.
19. 3 soat 20 minutni minutda ifodalang:
A) 80 minut; C) 400 minut;
B) 120 minut; D) 200 minut.
20. Yig’indini toping: 303 599 + 817 401.
A) 1 120 000; C) 1 100 000;
B) 1 121 000; D) 1 000 000.
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