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thế giới giải trí cho mobile !

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Tải BM Wap_KPD.jar

Tìm trong trang:

<script language="javascript">function he_pt_bac1_2an(form){ var a1,b1,c1,a2,b2,c2,x,y,d,dx,dy,tong_bp; a1=parseInt(form.a1.value); b1=parseInt(form.b1.value); c1=parseInt(form.c1.value); a2=parseInt(form.a2.value); b2=parseInt(form.b2.value); c2=parseInt(form.c2.value); d = (a1 * b2 - b1 * a2); dx = (c1 * b2 - c2 * b1); dy = (a1 * c2 - c1 * a2); if ((d==dx)&&(dx==dy)&&(dy==0)) {	alert("Hai phương trình vô định");  } if(d!=0) {	alert("Hai phương trình có một nghiệm duy nhất");	x=parseFloat(dx/d);	y=parseFloat(dy/d);	form.x.value=eval(x);	form.y.value=eval(y);	  } if ((d==0)&&(dx!=0)||(dx==0)&&(dy!=0)) {	 alert("Hai phương trình vô nghiệm"); }}</script><br /><form method="post"><br /><center><b>A1 ?</b><input type="text" name ="a1" value="" /><b>B1 ?</b><input type="text" name ="b1" value="" /><b>C1 ?</b><input type="text" name ="c1" value="" /><br /><b>A2 ?</b><input type="text" name= "a2" value="" /><b>B2 ?</b><input type="text" name="b2" value="" /><b>C2 ?</b><input type="text" name="c2" value="" /><br /><b>X =</b><input type="text" name="x" value=" " /><b>Y =</b><input type="text" name="y" value=" " /><br /></center><center><input type="button" value="Giải" onclick="he_pt_bac1_2an(this.form)"; /><input type="reset" value="Xóa Màn Hình" /></center></form>