אולי כדאי לנסות איות אחר או כתיב מלא:
create problem » creative problem, great problem, creative problems
array formulas » area formulas, harrop formulas, array format
3 dimensions » _ dimensions, 2 dimensions, 3 dimensional
array arcing » array forming, array probing, array sharing
array using » arrays using
problem 3 » problem _, problem a, problem 2

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