Question

(7,7 : 24 3/4 + 2/15) * 4,5=?

Answer 1

7 7/10:24 3/4=77/10*4/99=14/45
14/45+2/15=14/45+6/45=20/45=4/9
4/9*4 5/10=4/9*45/10=2

Answer 2

во вложении
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