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Questa Cmap, creata con IHMC CmapTools, contiene informazioni relative a: Calcolare due numeri conoscendo rapporto e somma, <math xmlns="http://www.w3.org/1998/Math/MathML"> <mrow> <mtext> Y = </mtext> <mfrac> <mtext> ( 49 x 3) </mtext> <mtext> 7 </mtext> </mfrac> </mrow> </math> che viene Y = 21, La loro somma (segno piu') applico la proprietà del comporre <math xmlns="http://www.w3.org/1998/Math/MathML"> <mrow> <mfenced open="(" close=")"> <mtext> X+Y </mtext> </mfenced> <mtext> : Y = </mtext> <mfenced open="(" close=")"> <mtext> 4+3 </mtext> </mfenced> <mtext> : 3 </mtext> </mrow> </math>, Devo calcolare due numeri (X e Y) applico la proprietà del comporre <math xmlns="http://www.w3.org/1998/Math/MathML"> <mrow> <mfenced open="(" close=")"> <mtext> X+Y </mtext> </mfenced> <mtext> : Y = </mtext> <mfenced open="(" close=")"> <mtext> 4+3 </mtext> </mfenced> <mtext> : 3 </mtext> </mrow> </math>, La loro somma (segno piu') applico la proprietà del comporre <math xmlns="http://www.w3.org/1998/Math/MathML"> <mrow> <mfenced open="(" close=")"> <mtext> X+Y </mtext> </mfenced> <mtext> : X = </mtext> <mfenced open="(" close=")"> <mtext> 4+3 </mtext> </mfenced> <mtext> : 4 </mtext> </mrow> </math>, il loro rapporto esempio X:Y=4:3, Devo calcolare due numeri (X e Y) quando conosco queste due cose La loro somma (segno piu'), Devo calcolare due numeri (X e Y) quando conosco queste due cose il loro rapporto, 49 : X = 7 : 4 risolvo in questo modo <math xmlns="http://www.w3.org/1998/Math/MathML"> <mrow> <mtext> X = </mtext> <mfrac> <mtext> ( 49 x 4) </mtext> <mtext> 7 </mtext> </mfrac> </mrow> </math>, <math xmlns="http://www.w3.org/1998/Math/MathML"> <mrow> <mfenced open="(" close=")"> <mtext> X+Y </mtext> </mfenced> <mtext> : Y = </mtext> <mfenced open="(" close=")"> <mtext> 4+3 </mtext> </mfenced> <mtext> : 3 </mtext> </mrow> </math> sostituisco (X+Y) con il valore che so 49 : Y = 7 : 3, <math xmlns="http://www.w3.org/1998/Math/MathML"> <mrow> <mtext> X = </mtext> <mfrac> <mtext> ( 49 x 4) </mtext> <mtext> 7 </mtext> </mfrac> </mrow> </math> che viene X = 28, <math xmlns="http://www.w3.org/1998/Math/MathML"> <mrow> <mfenced open="(" close=")"> <mtext> X+Y </mtext> </mfenced> <mtext> : X = </mtext> <mfenced open="(" close=")"> <mtext> 4+3 </mtext> </mfenced> <mtext> : 4 </mtext> </mrow> </math> sostituisco (X+Y) con il valore che so 49 : X = 7 : 4, 49 : Y = 7 : 3 risolvo in questo modo <math xmlns="http://www.w3.org/1998/Math/MathML"> <mrow> <mtext> Y = </mtext> <mfrac> <mtext> ( 49 x 3) </mtext> <mtext> 7 </mtext> </mfrac> </mrow> </math>, Devo calcolare due numeri (X e Y) applico la proprietà del comporre <math xmlns="http://www.w3.org/1998/Math/MathML"> <mrow> <mfenced open="(" close=")"> <mtext> X+Y </mtext> </mfenced> <mtext> : X = </mtext> <mfenced open="(" close=")"> <mtext> 4+3 </mtext> </mfenced> <mtext> : 4 </mtext> </mrow> </math>, La loro somma (segno piu') esempio <math xmlns="http://www.w3.org/1998/Math/MathML"> <mrow> <mfenced open="(" close=")"> <mtext> X+Y </mtext> </mfenced> <mtext> = 49 </mtext> </mrow> </math>