אולי כדאי לנסות איות אחר או כתיב מלא:
informatics education » information education, mathematics education, informatics applications
education method » education methods, educational method, reduction method
array formulas » area formulas, harrop formulas, array formats
array string » array strong, arrays strings, array sharing
method r.m » method 6.3, method 7.3, method rt

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