3-sinf matematika 13-dars
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3-sinf matematika mavzu: ko‘pxonali sonlarning o‘qilishi va yozilishi millionlar minglar birliklar yuzlar o‘nlar birlar yuzlar o‘nlar birlar yuzlar o‘nlar birlar 1 0 0 4 5 0 0 4 9 8 1 0 0 4 4 5 8 0 0 6 yuzlik = 600 birlik 7 minglik = 7000 birlik 34 yuzlik = 3400 birlik 27 minglik = 27000 birlik 90•100= 9000 200•100= 20000 300•900= 270000 17•10000= 170000 640•100= 64000 ekonom-kiass-98000 so‘mdan birinchi toifa-160000 so‘mdan 5 nafar yo‘lovchi-?, so‘m to‘laydi yechish: 1) 98000•5=490000 so’m 2) 160000•5=800000 so’m 3) 800000-490000=310000 so’m javob: birinchi toifa 310000 qimmatroq a) 2 yilda – 100 tonna 1 yilda – 50 tonna 75 • 50 = 3750 tonna b) 7 ta yuk mashinasi- 28 tonna 1 ta …
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