CamXuc.Mobie.In-Wap Game Cuc Dinh

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CamXuc.MoBie.In

Bây giờ là: 02:54 (21/08/25)

Giải Phương Trình Bật 2

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<SCRIPT LANGUAGE="JavaScript">

<!-- Begin

function quad(form) {

a=eval(form.a.value);

b=eval(form.b.value);

c=eval(form.c.value);

x1=-b/2/a+Math.pow(Math.pow(b,2)-4*a*c,0.5)/2/a;

x2=-b/2/a-Math.pow(Math.pow(b,2)-4*a*c,0.5)/2/a;

form.x1.value = x1;

form.x2.value = x2;

if (form.x1.value == "NaN") form.x1.value="Phương trình này vô nghiệm";

if (form.x2.value == "NaN") form.x2.value="Phương trình này vô nghiệm";

}

// End -->

</SCRIPT>

<center>

<form name=form>

<table border=1 cellpadding=2>

<tr>

<td colspan=2 align=center><b>Phương trình bậc hai<br>AXÂ² + BX + C = 0</b></td>

</tr>

<tr>

<td>

<center><table border=1 width=100% cellpadding=2>

<tr>

<td align=center><b>A = </b></td>

<td align=center><input type=text size=6 name="a"></td>

</tr>

<tr>

<td align=center><b>B = </b></td>

<td align=center><input type=text size=6 name="b"></td>

</tr>

<tr>

<td align=center><b>C = </b></td>

<td align=center><input type=text size=6 name="c"></td>

</tr>

</table>

</td>

<td>

<center><table border=1 width=100% cellpadding=2>

<tr>

<td colspan=2 align=center>

<input type=button value="Giải" onClick="quad(this.form)"></td>

</tr>

<tr>

<td align=center><b>X1 = </b></td>

<td align=center><input type=text size=6 name="x1"></td>

</tr>

<tr>

<td align=center><b>X2 = </b></td>

<td align=center><input type=text size=6 name="x2"></td>

</tr>

</table>

</td>

</tr>

</table>

</form>

</center>

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