5 sinf matematika imtihon javoblari 2021

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5-sinf matematika fanidan o’quvchilarni mustaqil tayyorlanishlari uchun imtihon biletlariga javoblar 2020-2021-yil bosha imtihon javoblari www.mbaza.uz saytida http://www.mbaza.uz/ i topshiriq 1-variant 1. (72:200-0,42):0,53=(0,245-0,16):0,125=0,085:0,125=0,68 2. (x-375):18=2064:48 x-375=43•18 x-375=774 x=1149 3. 416 - 32% x - 100% 𝑥 = 416•100 32 = 𝟏𝟑𝟎𝟎 ta 4. 450 kg = 0.45 t ≈ 0,5 t 28 s 5 kg = 0,285 t ≈ 0,3 t 3 t 4 s 25 kg = 3,425 t ≈ 3,4 t 0.5+0.3+3.4 3 = 𝟏. 𝟒 𝒕 5. l=12a → 72 = 12a → a = 6 cm v = a3 → (6 cm)3 = 216 cm3 m = 216 • 8,9 g = 1924,4 g 2-variant 1. 13.5 • 5.8 + 4.2 • 13.5 + 8.3 • 4.2 +5.8 • 8.3 = 13.5(5.8+4.2) + 8.3(4.2+5.8) = =13.5 • 10 + 8.3 • 10 = 10(8.3+13.5) = 10 • 21.8 = 218 2. (2035 - x) •4 = 4004 …

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=6300m2 p=2(a+b)=2(90+70)=2•160=320m 2-variant 1. (18+12•27) : (327-156)=342:171=2 2. 3 8 9 − 𝑦 = 2 7 9 → 𝑦 = 3 8 9 − 2 7 9 → 𝑦 = 1 1 9 3. (18-16.9) •3.3+3:7.5=1.1•3.3+0.4=3.63+0.4=4.03 4. 28.5+32.6+35.2 3 = 96.3 3 = 32.1 𝑘𝑔 5. p=360 m; a=50•200=10000cm=100m → 360=2(a+b) → 180=100+b → b=80m 80m : 40 cm = 8000cm: 40cm = 200 qadam v topshiriq 1-variant 1. a) 8 7 9 + (7 5 9 − 4 4 9 ) = 8 7 9 + 3 1 9 = 11 8 9 . b) 11 2 19 − (3 17 19 + 6 14 19 ) = 11 2 19 − 10 12 19 = 9 19 2. 3.8(x+1.3)=9.5 x+1.3=2.5 x=1.2 3. 26.4+(26.4-8.7)+26.4:2=26.4+17.7+13.2=57.3 kg 4. 4 ni 3 ga o’zgartirish kerak, ya’ni 8, 3, 6, 8, 9, 5, 7, 8, 9 9 - 3=6 5. a=60cm b=45cm h=45-5=40cm …

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5-sinf matematika fanidan o’quvchilarni mustaqil tayyorlanishlari uchun imtihon biletlariga javoblar 2020-2021-yil bosha imtihon javoblari www.mbaza.uz saytida http://www.mbaza.uz/ i topshiriq 1-variant 1. (72:200-0,42):0,53=(0,245-0,16):0,125=0,085:0,125=0,68 2. (x-375):18=2064:48 x-375=43•18 x-375=774 x=1149 3. 416 - 32% x - 100% 𝑥 = 416•100 32 = 𝟏𝟑𝟎𝟎 ta 4. 450 kg = 0.45 t ≈ 0,5 t 28 s 5 kg = 0,285 t ≈ 0,3 t 3 t 4 s 25 kg = 3,425 t ≈ 3,4 t 0.5+0.3+3.4 3 = 𝟏. 𝟒 𝒕 5. l=12a → 72 = 12a → a = 6 cm v = a3 → (6 cm)3 = 216 cm3 m = 216 • 8,9 g = 1924,4 g 2-variant 1. 13.5 • 5.8 + 4.2 • 13.5 + 8.3 • 4.2 …

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