найдите неизвестный член пропорции: х/6,3=2 1/7 / 1,25; 4 4/5 / 0,8 = х/ 1 1/6; х / 4 3/8=1,5/1 5/16; х/ 9 3/5=2 2/3 / 1 1/15. Created by ZhulduzRamazan. matematika-ru

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найдите неизвестный член пропорции: х/6,3=2 1/7 / 1,25; 4 4/5 / 0,8 = х/ 1 1/6; х / 4 3/8=1,5/1 5/16; х/ 9 3/5=2 2/3 / 1 1/15

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tasha82v26 Х/6,3-3/1,25=0. х/6,3-2,4=0. х=2,4*6,3=15,12; 8,8/0,8-х/11*6=0. 11-х/11*6=0. 11-х/66=0. х=(-(11)*66=11*66=726; х/465-22/3*11*15=0. х/465-7,33/11*15=0. х/465-0,66/15=0. х/465-0,044=0. х=0,044*465=20,66

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tasha82v26 х/344-1,5/15*6=0 х/344-0,1/16=0 х/344-0,00625=0 х=0,00625*344=2,15

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najdite perimetr romba esli v rombe abcd ugol a 60 gradusov diagonal db 1

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5+(-2); 0,9+(-1,5)...

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60"...

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na karte rasstoyanie mezhdu gorodami a i v ravno 28 sm a mezhdu gorodami v is na

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rasstoyanie na mestnosti 230 km a na karte 46 sm otrezku kakoj dliny na etoj k

masterskaya po izgotovleniyu dombr nametila izgotovit za mesyac 8 dombr v etom meb2173acec94e937028b2fd1714430eda 84248

najdite perimetr romba esli v rombe abcd ugol a 60 gradusov diagonal db 1

5+(-2); 0,9+(-1,5)...

60"...

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