please recheck your testsuite.ps:may I suggest you finish some problems by yourself before you create one.because this kinda problem had been repeated like hundreds times.we really tired of seeing this.
I fixed the problem in the test suite.
Solve the set of simultaneous linear equations
273 Solvers
376 Solvers
669 Solvers
Sum the numbers on the main diagonal
453 Solvers
270 Solvers
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