3-sinf 111-dars

matematika 3-sinf 111-dars muntazam ko’pburchaklarning perimetri perimetr nima? p=45∙8=360cm p=27∙3=81cm p=27∙4=108cm p=27∙5=135cm p=27∙n bu formulalar bilan qaysi shakllar perimetrini topish mumkin? p=a∙3 p= a∙7 p=a∙8 p=3a p=7a p=8a p=12∙4=48cm a=688:4=172 cm moslashtiring p=(a+b)∙2 p=a∙3 p=a+b+c a=7cm p=7∙3=21cm a=14 p=14∙3=42cm xulosangiz qanday bo’ldi? 80mm=8 cm 35-8=27cm (35+27)∙4=248 cm siz qaysi usulda hisobladingiz? qaysi usul qulay ? 5∙5=25 140cm∙25=3500cm=35 m yana qanday hisoblash mumkin? (326∙7-(432-96)):14=139 (8000-2700:6):50=151 ifodalar yuqoridagi sxemaga mos keladimi? 96-(2+2)=92m a=92:4=23 m b=23+2=25m s=23∙25=575 35mm∙4=140mm=14cm h i y o b o n image1.png image2.png image3.jpeg image4.png image5.png image6.png image7.png image8.jpeg image9.png image10.jpeg image11.png im...

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