Problem 564. How to subtract?

Solution 1288504

Submitted on 16 Oct 2017 by Peter Wittenberg
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Test Suite

Test Status Code Input and Output
1   Pass
X='+68768686834554'; Y='+76574535435398'; Z_correct='-7805848600844'; assert(isequal(mysub(X,Y),Z_correct))

2   Pass
X='1'; Y='2'; Z_correct ='-1'; assert(isequal(mysub(X,Y),Z_correct))

3   Pass
X='100'; Y='20'; Z_correct ='80'; assert(isequal(mysub(X,Y),Z_correct))

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