Ответ:
16/25+0,8=8/25=a
16/25+4/5=8/25a
36/25=8/25a
9/2=a
a=9/2
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Ответ:
16/25+0,8=8/25=a
16/25+4/5=8/25a
36/25=8/25a
9/2=a
a=9/2