3-sinf. 1 soniga bo`lish

3-sinf. 1 soniga bo`lish..pptx /docprops/thumbnail.jpeg слайд 1 mavzu: 1 soniga bo`lish. ulushlar va ularning nomlanishi. ifodaning qiymatini toping. 1000-(600-300):5 150+20∙4+20 1 3 2 1 2 3 600-300=300 300:5=60 1000-60=940 20∙4=80 150+80=230 230+20=250 noma’lum sonni toping. x-543=304 268+x=866 560:x=8 x∙9=72 x=304+543 x=866-268 x=560:8 x=72:9 x=847 x=598 x=70 x=8 847-543=304 268+598=866 560:70=8 8∙9=72 to`g`ri to`rtburchakning yuzini toping. a=4 sm b=? 2 marta uzun a=4 sm b=? 2 marta uzun yechish: b=4∙2=8 (sm) s=4∙8=32 (sm²) s=32 sm² javob: s=32 sm² ko`paytirishni tushuntirish bilan yeching. 2+2+2+2+2=10 2∙5=10 1+1+1+1+1+1=6 1∙6=6 1+1+1=3 1∙3=3 bo`lishni tushuntirish bilan yeching. 3:1= 24:1= 6:1= 1∙3=3 1∙6=6 1∙24=24 6:1=6 3:1=3 24:1=24 6:6=1 3:3=1 24:24=1 3 6 24 amallarni bajaring. 585-...

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