Numerical和logical test是同时做的么?还是要过了一个才做另外一个?
p.s numerical确实挺难算的。。。
The sequence is..
numberical sample test
numberical test
logical sample test
logical test
you hv to complete these four in one go...
numberical test
logical sample test
logical test
you hv to complete these four in one go...
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