Penjelasan dengan langkah-langkah:
21/5 . 9/7 : 9/7
= 21/5 . 9/7 . 7/9
= 1323/315
= 147/35
= 21 /5
=4 1/5
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Penjelasan dengan langkah-langkah:
21/5 . 9/7 : 9/7
= 21/5 . 9/7 . 7/9
= 1323/315
= 147/35
= 21 /5
=4 1/5