4-sinf kirish testi

prezident maktabiga tayyorlov kurslari uchun matematika fanidan kirish topshiriqlari 4-sinf 1. yig’indini hisoblang: 303 + 144 + 67 + 56 + 137 = 2. ko’paytmani hisoblang: 2 × 14 × 25 × 3 = 3. amallarni bajaring: 25 × 3 + 2 × (14 + 21 : 3) = 4. bo’lish amalini bajaring: 49020 : 57 = 5. tenglamani yeching: 127 – 168 : x = 25 + 46 6. a=7, b=6, c=3, d=2 bo’lsa, quyidagi ifodaning qiymatini toping: a+c  (b : d) – c  d 7. kvadratning perimetri 28 cm bo’lsa, kvadratning yuzini toping. 8. do’konga birinchi kuni 6 m 40 cm, ikkinchi kun esa birinchi kundagidan 1 m 70 cm uzunroq gazlama keltirildi. shu ikki kunda …

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