3-sinf 63-dars matematika

to’g’ri to’rtburchakning perimetrini topish yondosh mavzu: havo yuksalish_ust gulmira maratovna bog’ landshaft dizayni 2-masala a=4cm b=8cm p=? p=(4+8)*2=24cm 4cm 8cm 1) p=(20+8)*2=56cm yoki 20*2+8*2=56cm 2) a=60:2-22=8cm yoki 22*2=44 60-44=16 16:2=8 3) b=40:2-6=14cm yoki 6*2=12 40-12=28 28:2=14 3-topshiriq xonalar bo’yi eni oshxona 8m 40cm 3m yotoqxona 5m 20cm 3m50cm bolalar xonasi 5m 40 cm 3m 50cm hammom 2m 20cm 3m garaj 8m 40cm 3m vanna : p=(22dm+30dm)*2=104dm=10m 40cm yotoqxona: p=(52dm+35dm)*2=174dm=17m 40cm bolalar xonasi: p=(54dm+35dm)*2=178dm=17 m80cm oshxona : p=(84+30)*2=228dm =22m 80cm garaj=oshxona @yuksalish_ust -40˚c -20˚c +20˚c +40˚c 7-topshiriq 40+x=600-150 800-y=129+311 40+x=450 800-y=440 x=450-40 y=800-440 x=410 y=360 b-(340+170)=820 (470+160)-z=190 b-510=820 630-z=190 b=...

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