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Sabtu, 21 Oktober 2017
The opening word
Assalamu'alaykum Warahmatullahi Wabarakatuh
Logo insanilmiah
May be this is my new posting, although I used to write in this blog but I have deleted all because they is many kinds so this blog becomes inconsistent.
Nah, because I have many time recently so I want to write again about materials of mathematic and science with English. They are mathematics for junior and...
