відповідь: function showresult(choise){
var n1=parsefloat(document.getelementbyid('num1').value);
var n2=parsefloat(document.getelementbyid('num2').value);
var r;
var c=choise;
switch(c)
{
case '1':
r=n1+n2;
break;
case '2':
r=n1-n2;
break;
case '3':
r=n1*n2;
break;
case '4':
r=n1/n2;
break;
case '5':
r=n2*100/n1;
break;
default:
break;
}
document.getelementbyid('result').value=r;
}
calculator
my calculator first number second number result+
-
*
/
%
пояснення:
a = 14
Объяснение:
1) a := -12
2) b := 14 - a/2 = 14 - (-12 / 2) = 14 + 6 = 20
3) b := (b - a)/8 = (20 - (-12))/8 = (20 + 12)/8 = 32/8 = 4
4) a := b*2+6 = 4*2+6 = 8+6 = 14