Matematika Sekolah Menengah Pertama 5√28+4√63-3√112. pakai cara ​

5√28+4√63-3√112. pakai cara ​

Jawaban:

=5√28+4√63-3√112-√175

=5√4.√7+4√9.√7-3√16.√7-√25.√7

=5.2√7+4.3√7-3.4√7-5√7

=10√7+12√7-12√7-5√7

=5√7

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