3-sinf matematika 1-dars 4-chorak.

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3-sinf matematika mavzu: muntazam shakllarning perimetri 1-topshiriq muntazam koʻpburchak - barcha tomonlari va ichki burchaklari teng boʻlgan yassi, qavariq koʻpburchak. muntazam koʻpburchaklar cheksiz koʻp boʻlib, ularning hammasini sirkul va chizgʻich yordamida yasab boʻlmaydi. 4 yodda tuting 2-topshiriq p=a∙8 p=45 ∙8 p=360 cm 3-topshiriq p=a∙3 p=27 ∙3 p=81 cm p=a∙4 p=27 ∙4 p=108 cm p=a∙5 p=27 ∙5 p=135 cm p=a∙n p=27 ∙n p=27n cm yodda tuting 4-topshiriq p=a∙4 p=12 ∙4 p=48 cm p=688 cm a=?cm a=p:4 a=688:4=172 cm 5-topshiriq p=a∙3 p=a+b+c p=(a+b)∙2 6-topshiriq p=a∙3 p=7 ∙3 p=21 cm a ∙2=? 7 ∙2=14 cm p=a∙3 p=14 ∙3 p=42 cm 7-masala 80mm=8 cm 35-8=27cm (35+27)∙4=248 cm 2-usul:p=35 ∙4=140 cm p=27∙4=108 cm 140+108=248 cm 8-topshiriq y:1)5·5=25 ta-to’sin 2)1m40cm=140cm 3)25∙140=3500cm 4)3500cm=35 m javob:35 metr to’sin kerak 9-misol (326∙7-(432-96)):14=(2282-336):14=139 (8000-2700:6):50=(8000-450):50=151 1946 139 7550 151 10-misol maysazor 11-masala 96-(2+2)=92 m a=92:4=23 m b=23+2=25 m s=a·b=23·25=575 m² uyga vazifa ko‘rishguncha xayr! image1.jpeg image2.png image3.png image4.png image5.jpeg image6.jpeg image7.png …
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3-sinf matematika mavzu: muntazam shakllarning perimetri 1-topshiriq muntazam koʻpburchak - barcha tomonlari va ichki burchaklari teng boʻlgan yassi, qavariq koʻpburchak. muntazam koʻpburchaklar cheksiz koʻp boʻlib, ularning hammasini sirkul va chizgʻich yordamida yasab boʻlmaydi. 4 yodda tuting 2-topshiriq p=a∙8 p=45 ∙8 p=360 cm 3-topshiriq p=a∙3 p=27 ∙3 p=81 cm p=a∙4 p=27 ∙4 p=108 cm p=a∙5 p=27 ∙5 p=135 cm p=a∙n p=27 ∙n p=27n cm yodda tuting 4-topshiriq p=a∙4 p=12 ∙4 p=48 cm p=688 cm a=?cm a=p:4 a=688:4=172 cm 5-topshiriq p=a∙3 p=a+b+c p=(a+b)∙2 6-topshiriq p=a∙3 p=7 ∙3 p=21 cm a ∙2=? 7 ∙2=14 cm p=a∙3 p=14 ∙3 p=42 cm 7-masala 80mm=8 cm 35-8=27cm (35+27)∙4=248 cm 2-usul:p=35 ∙4=140 cm p=27∙4=108 cm 140+108=248 cm 8-topshiriq y:1)5·5=25 ta-to’sin 2)1m40cm=140cm 3)25∙140=3500cm 4)3500cm=35 ...

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