maTematika 7

eziume:4. sxivimoswavlem unda SeZlos mocemuli sxivis wakiTxva, saTavis dasaxeleba, am sxivis damatebiTisxivis ageba. erT wrfeze mdebare sami wertilidan imis garkveva, Tu romelimdebareobs danarCen ors Soris.amoxsnebi, miTiTebebi:8. davsvaT kiTxvebi: ramdeni bavSvi rCeba ZiriTad SemadgenlobaSi asarCevad? ramdeniaasarCevi? vRebulobT, rom unda dawyvildes 9 bavSvi. wina paragrafebSi amoxsnili9 $ 8amocanebis gaTvaliswinebiT, variantebis raodenobaa = 3629. 364*davsvaT Sesabamisi kiTxvebi, rom pasuxebi pasuxebi miviRoT Semdegiy: ricxvi rom 45-zegaiyos unda iyofodes 5-ze da 9-ze, e.i. varskvlavis nacvlad unda iyos 0 an 5 ise, romcifrTa jami gaiyos 9-ze. aseT cifrad gamodgeba mxolod 5.11. A=(10a+b)(10m+n)B=(10b+a)(10n+m)A-B gamartivebis Sedegad vRebulobT 99am-99bn=99(am-bn).5. monakveTireziume:moswavlem unda SeZlos monakveTis Cawera misi boloebiT. toli monakveTebis moniSvna.wrfeze sami wertiliT miRebuli monakveTebisTvis oris sigrZis mocemulobiT mesamessigrZis povna.amoxsnebi, miTiTebebi:1. g) 11-x.2. a) MB=AB-AM; b) AB=AM+MB.3.A BMC CNAB=AC+CB= + = 2,5M C N2 24.a) 5,9sm 0,7dm MK=MN+NKM N K MK=5,9+7=12,9 sm.b)K M NMK=NK-MN=1,1 sm.45masc_cigni_VII_kl_cor.indd 45 03.07.2012 15:46:31