Dzidzo:, Secondary school and schools
Nzira dzinoverengeka dzekuverenga chiyero chechiverengero (uye mabasa echimiro chakafanana)
Kuverenga peresenti yenhamba iyi ndeimwe yezvidzidzo zvinokosha izvo zvose zvinoitika muchikoro mumatoro zvidzidzo. Asi izvi hazvirevi kuti munhu wese anodzidza zviri nyore. Ichokwadi, chinangwa chacho chiri nyore, chinhu chikuru ndechokuziva nzira dzakaratidzwa dzekuverenga iyo yose nezvikamu uye zvikamu zvezvose.
1% ndiyo imwe chete-zana chikamu chezvose, saka kuziva ichi kukosha, unogona nyore nyore kuverenga kukosha kwechikamu chacho. Somuenzaniso, 15% ye nhamba 60 inogona kuverengwa sezvinotevera: tora 60 ne100 muzana. Zvadaro 1% ndeye 60/100 - 0.6. 15%, saizvozvo, ichava - 0,6 * 15 = 9. Iyi ndiyo nzira yokutanga yekuverenga chiyero chenhamba yacho.
Nzira yechipiri ndeyekuita chikamu. 15 inoreva zana, sezvo X inoreva 60, ipo 15/100 = x / 60. Iwe unogona kugadzirisa hutano nenzira mbiri:
- Shandura iyo kutaura x = 15 * 60/100. Uye zvakare inosvika: x = 9.
- Kuita imwe shanduko, muzviito zviviri: 100x = 15 * 60, ndiko kuti, nhamba muhupamhi inowedzera kupera. Kubva mumashoko aya tinowana zvinotevera: 100x = 900. Nokudaro, x = 9.
Kana uchida kuziva kuti zviyero zveiyo imwe nhamba imwe nhamba, chirevo chacho zvakare chiri nyore. Tora, somuenzaniso, nhamba makumi manomwe uye 13. Rega 70 ave 100%, uye 13 - x. Ipapo 13/70 = x / 100. Kugadzirisa iyi chikamu inogona kunge yakatozivikanwa.
70x = 13 * 100; 70x = 1300; Kana iwe wakatenderera kune wechipiri decimal nzvimbo, zvinosvika kuti x = 18.57%.
Somuenzaniso, 16% ndeye 32. Chii chinonzi integer? Zvakare, ita chiyero: 16% inoreva 100%, uye 32 kusvika x. 16/100 = 32 / x; 16x = 3200; X = 3200/16 = 200.
Kana mamiriro echinetso ichi chakadai kuti nhamba A ndeyeimwe chikamu chezana B, iyo inofanirwa kuverengwa, uye imwe shanduro yakanyanya kushandiswa inoshandiswa. A / B * 100% - iyi ndiyo mhinduro. Semuenzaniso, unoda kuziva kuti vangani zana iyo nhamba 87 inobva kuhamba 329.
Kuverenga chigumisiro nechirongwa, tinowana 87/329 * 100% = 26.44%. Kana maitiro acho akanganwika panguva yakakodzera, uwandu huchasvika pakubatsira zvakare: 87 inoreva 329, sezvo x inoreva 100%, iyo 87/329 = x / 100. Tashandura chikamu ichi, tinowana 329x = 87 * 100; 329x = 8700; X = 8700/329 = 26.44%.
Zvakanaka, zvakajeka zviyero zvinenge zvichinyanya kumunhu wese uye nzeve: imwe yechishanu ndeye 20%, chegumi chimwe che 10%, hafu nechechina 50% uye 25%, zvichienderana. Kune mumwe munhu, zviri nyore zvikuru uye zvakajeka kufunga mune zvikamu, uye zviri nyore kuti mumwe munhu aite neanofarira. Hapana musiyano mukuru pakati pechipiri uye 50%.
Nekokuta uye zvichave zviri nyore uye zviri nyore, nokuti ipapo pane bhokisi rinokosha rinokubvumira kuti uverenge kufarira.
Zvechokwadi, mabasa aya ose ndeyekubatanidza kwedzidziso. Asi kuverenga peresenti yenhamba inogona kudiwa muupenyu. Panotengeswa kuti uone kana 30% inokodzera mutengo kubata chimwe chinhu, kana kuti chikamu chiduku. Iwe unogona kuziva kuti mutengo wacho uripi usati wasvika, uyewo chengetedza-kutarisa vatengesi - mushure mezvose, vanowanzoshandisa kusatarisira kwevatengi uye vanotaura kuti mutengo wematombo ndiwo maitiro akaisvonaka kwazvo.
Mune rimwe shoko, nyaya yacho haisi yakaoma, kunyange zvazvo inoratidzika pakutanga pakuona kuoma. Zvisinei, kana kunzwisisa kunouya, mabasa anotaura nezvekuverenga kwezvikamu kubva muwandu uye iyo yose muchikamu ichaonekwa sembeu. Iwe unongoda kuzadza ruoko rwako uye kutamisa ubongo hwako zvishomanana.
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