7 nazorat ishi matematika

matematika 7- nazorat ishi 1-variant 1. sonli ifodalarni yozamiz va qiymatini topamiz. 1) 15 va 5 ning ayirmasidan 2 ta kam. 2) 72 dan 8 marta kam. 2. ifodalarning qiymatini topamiz. 74 – (6 + 8) 80 ÷ (67 – 57) (21 + 60) ÷ 9 10 × (46 – 40) 3. tenglamalarning yechimini topamiz. y – 16 = 34 4 × a = 8. 4. samolyotda hammasi bo‘lib 80 kishi uchmoqda. ularning 30 nafari ayol bo‘lsa, samolyotda necha nafar erkak bor? matematika 7- nazorat ishi 2-variant 1. sonli ifodalarni yozamiz va qiymatini topamiz. 1) 20 dan 5 ta ko‘p. 2) 8 va 4 ning ko‘paytmasidan 2 ta ko‘p. 2. ifodalarning qiymatini topamiz. (60 – 21) + 9 21 – …

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