maTematika 7

6. (180°–130°)·2=100°.7. a=6m+2 da b=6n+3a+b=6(m+n)+5 a) 6-ze gayofis naSTia 5;b) a+b=6(m+n)+3+2 3-ze gayofis naSTia 28. 4x-60 =3x+30, saidanac x=909-10. CamovTvaloT ra cifrebiT SeiZleba dabolovdes naturaluri ricxvis kvadratebi:(...1) 2 =...1 (...7) 2 =....9(...2) 2 =...4 (...8) 2 =....4(...3) 2 =...9 (...9) 2 =....1(...4) 2 =...6 (....0) 2 =...00(...5) 2 =...25(...6) 2 =....6naturaluri ricxvis kvadrati SeiZleba dabolovdes mxolod 00; 1; 4; 6; 9 da 25-iT.11. ricxvi unda iyos luwi da iyofodes 3-ze, rom miviRoT udidesi, x-is nacvlad undadavsvaT udidesi cifri da Sesabamisad ganvsazRvroT y. x=9; y=6.reziume:13. texili, mravalkuTxedi, samkuTxedimoswavlem unda SeZlos martivi da Sekruli texilebis garCeva, misi mdgenelebis dasaxeleba.texilis sigrZis gamoTvla, Sek ruli texilebidan amozneqili mravalkuTxedebisamocnoba, misi elementebis dasaxeleba. samkuTxedebis klasifikacia misi gverdebis dakuTxeebis mixedv iT, Sesabamisi naxazebis Sesruleba, perimetrebis gamoTvla.amoxsnebi, miTiTebebi:1. l=8+9+10+11=382. a=50=10m.56. tolferda samkuTxedis fuZe, romelic tolgverda samkuTxedis gverdis tolia135 167 - 45=45sm-ia. e.i. tolferdas ferdi =61 sm-ia.327. a) AB sxivi; b) orive; g) BA sxivi.53masc_cigni_VII_kl_cor.indd 53 03.07.2012 15:46:33