Video: Addendo yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Yog tias ab = cd, ces, ab = cd = a+cb+d is known as addendo kev faib ua feem.
Piv txwv li, Componendo txhais li cas?
Componendo thiab dividendo yog lub theorem ntawm kev faib ua feem uas tso cai rau txoj hauv kev nrawm rau kev suav thiab txo cov naj npawb ntawm kev nthuav dav. Nws yog qhov tseem ceeb tshwj xeeb tshaj yog thaum cuam tshuam nrog kev sib npaug uas muaj feem cuam tshuam los yog kev ua haujlwm muaj txiaj ntsig hauv lej Olympiads, tshwj xeeb tshaj yog thaum koj pom cov feem.
Ib yam li ntawd, cov yam ntxwv ntawm kev faib ua feem yog dab tsi? Property 2 (txhais tau tias lossis Extremes Switching Property): Yog tias a / b = c / d thiab yog ib qho kev faib ua feem , ces ob qho tib si d / b = c / a thiab a / c = b / d yog proportions . Piv txwv 3: 8/10 = 4/5 yog a kev faib ua feem.
Ntxiv mus, lub ntsiab lus ntawm Invertendo yog dab tsi?
Invertendo Property: Rau plaub tus lej a, b, c, d yog a: b = c: d, ces b: a = d: c; uas yog, yog tias ob qhov sib npaug sib npaug, ces lawv cov kev sib hloov pauv kuj sib npaug.
Cov cai ntawm kev sib piv yog dab tsi?
Txoj cai: The kev sib npaug los yog kev faib ntawm txhua lub sij hawm ntawm tus piv los ntawm tib tus lej uas tsis yog xoom tsis cuam tshuam rau qhov piv. Piv txwv. 4: 5 = 8: 10 = 12: 15. Thiab 4: 6 = 2: 3.
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