4-chorak ni-1 matematika snn yechimi bilan

2-sinf matematika mavzu:nazorat ishi 1-masala. o’quvchilar maktab bog’ida 6 ta atirgul, undan 4 marta ko’p lola, loladan 3 marta kam chinnigul ekdilar. o’quvchilar nechta chinnigul ekdilar? o’quvchilar maktab bog’ida 5 ta atirgul, undan 6 marta ko’p lola, loladan 3 marta kam chinnigul ekdilar. o’quvchilar nechta chinnigul ekdilar? yechish: 6*4=24 24:3=8 javob: 8 ta chinnigul yechish: 5*6=30 30:3=10 javob: 10 ta chinnigul 2. amallarni tartib bilan bajaring. 29-16:2+5= 24+18:3-12= 29-16:2+5=29-8+5=26 24+18:3-12=24+6-12=18 3. tenglamani yeching. 6 x=42 45:x=9 4 x=32 27:x=9 6 *x=42 45:x=9 x=42:6 x=45:9 x=7 x=5 4 *x=32 27:x=9 x=32:4 x=27:9 x=8 x=3 4. bo’yi 4 cm, yuzi 24 kv cm bo’lgan to’g’ri to’rtburchak enini toping va chizing. 4. bo’yi 7 cm, yuzi 21 kv cm bo’lgan to’g’ri to’rtburchak enini …

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