3) 4sinf_matem formulalar

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mavzu: formulalar 105-105- betlar mustaqil topshiriqni tekshirish (105-b). 5-topshiriq 328 km 040 m 179 km 825 m 3 kg 054 g 7 kg 820 g 148 km 215 m 328 040 m 179 825 m 148 215 m 10 kg 874g 3 054 g 7 820 g 10 874g + + mustaqil topshiriqni tekshirish (105-b). 6-topshiriq (8 700 – x) : 900 = 9 70 500 : (x – 32 500) = 141 8 700 – x = 900 • 9 8 700 – x = 8 100 x = 8 700 – 8 100 x = 600 (8 700 – 600) : 900 = 9 9 = 9 x – 32 500 = 70 500 : 141 x – 32 500 = 500 x = 500 + 32 500 x = 30 000 70 500 : (30 000 – 32 500) = 141 141 = 141 1-topshiriq. 1) a) …
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mustaqil bajaring. 5-topshiriq. bolalar yozgi oromgohiga jami 1 675 ta bolalarni qabul qilish rejalashtirilgan. agar har safar 335 ta bola qabul qilinsa, bolalarni necha marta qabul qilish rejalashtirilgan? rejalashtirilgan –1 675 ta bola qabul qilinsa har safar – 335 ta bola necha marta qabul qilish rejalashtirilgan? yechish: 1 675 : 335 = 5 (marta) javob: bolalarni 5 marta qabul qilish rejalashtirilgan. eslab qoling! a • b = c a • b = b • a a • 1 = a a • 0 = 0 a : b = c a : a = 1 a : 1 = a a : 0 = 0 ko‘paytirish qoidalar bo‘lish qoidalari mustaqil topshiriq (107-b). 6-topshiriq. a = 6 cm, b = 11 cm bo‘lsa, p = 2•(a + b) formula yordamida to‘g‘ri to‘rtburchakning perimetrini toping. 7-topshiriq. quyidagi tengliklar to‘g‘ri yoki noto‘g‘riligini tekshiring: 547 891 : 457 = 87 457 821 : 658 …
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mavzu: formulalar 105-105- betlar mustaqil topshiriqni tekshirish (105-b). 5-topshiriq 328 km 040 m 179 km 825 m 3 kg 054 g 7 kg 820 g 148 km 215 m 328 040 m 179 825 m 148 215 m 10 kg 874g 3 054 g 7 820 g 10 874g + + mustaqil topshiriqni tekshirish (105-b). 6-topshiriq (8 700 – x) : 900 = 9 70 500 : (x – 32 500) = 141 8 700 – x = 900 • 9 8 700 – x = 8 100 x = 8 700 – 8 100 x = 600 (8 700 – 600) : 900 = 9 9 = 9 x – 32 500 = 70 500 : 141 x – …

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