3-sinf matematika 6-dars

= 10 • 3 = 10 • 8 = 100 • 4 = 100 • 6 7•10=70 60:10=6 3•100=300 800:100=8 70•10=700 500:10=50 200•1=200 40:1=40 6 8 40 50 70 200 300 700 k o r i a n d r =1200 =4200 =1000 =2700 1)30•10= 300 2)50•10= 500 3) 500+300=800 javob: hamma ko’chatlar 800 ta atirgullar – 46 ta va 25 ta chinnigullar - ? 10 marta ko’p atirgul necha marta kam? yechish: 1) 46 + 25= 71 2) 71 • 10= 710 3) 710 : 71= 10 javob: 10 matra kam 23+47=70 70:10=7 7 • 9=63 63 – 7=56 56:8=7 7+16=23 70 • x = 237 + 183 70 • x = 420 x = 420:70 x = 6 …

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