2-sinf tarqatma material_110418194811
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2-sinf uchun 1. misollarni yeching: 19-4 56-20 42+7 66-60 70-7 64+35 46+30 26+40 86-32 2. amallarni bajaring: (74-54)+30 76-6-9 (40+51)-71 58-40+23 75+(9-6) 42-(22+20) 3. masala. lolaning 32 ta markasi bor edi. u 20 ta markasini o‘rtoqlariga berdi. lolada nechta marka qoldi? 4. ikkita kesma chizing. birinchi kesma 10 sm, ikkinchi kesma undan 4 sm qisqa bo‘lsin. 2-sinf uchun 1. misollarni yeching: 18-14 45+30 53+7 84-80 54+22 45+5 68+30 76-34 38+60 2. amallarni bajaring: (60+40)-50 73-3+30 (70-50)+40 89+1-80 64-4+9 57-50+13 3. masalani yeching: birinchi likopchada 15 ta, ikkinchi likopchada undan 2 ta kam olma bor. ikkala likopchada nechta olma bor? 4. tomonlari 3 sm va 2 sm li to‘g‘ri to‘rtburchak chizing va perimetrini toping: 2-sinf uchun 1. misollar yeching: 74+26 80-32 …
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