File:
[LON-CAPA] /
loncom /
homework /
templates /
SimpleFormula.problem
Revision
1.4:
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Thu Aug 19 20:29:22 2004 UTC (19 years, 11 months ago) by
albertel
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MAIN
CVS tags:
version_1_3_X,
version_1_3_3,
version_1_3_2,
version_1_3_1,
version_1_3_0,
version_1_2_X,
version_1_2_99_1,
version_1_2_99_0,
version_1_2_1,
version_1_2_0,
version_1_1_99_5,
HEAD
- typo
1: <problem>
2: <script type="loncapa/perl">$z=&random(1,10,1);
3: $constant=&random(1,10,1);
4: # y=x+z-constant, solving for x, x=y-z+constant, prettyconstant is for simplifying
5: $prettyconstant=$constant-$z;
6: $x="y+$prettyconstant";
7: # code below substitutes '+-' and '-+' for '-'. This is used in display of answer
8: $x=~s/\+-/-/g;
9: $x=~s/-\+/-/g;</script>
10:
11: <startouttext />If z=$z and y=x+z-$constant, what does x equal?
12: <endouttext />
13:
14: <formularesponse samples="y@-5:5#10" answer="$x">
15: <responseparam description="Numerical Tolerance" type="tolerance" default="0.00001" name="tol" />
16: <textline size="25" />
17: </formularesponse>
18:
19: </problem>
20:
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