Ответ:
\(900:100=9\).
\(81:81+64\cdot0=1+0=1\).
\(300:10=30\).
\(23\cdot10=230\).
\(81\cdot9\cdot9\cdot1-1=6560\).
\(510:3-1\cdot58=170-58=112\).
\(28:(5-21:21)=28:(5-1)=28:4=7\).
Ответ: 9; 1; 30; 230; 6560; 112; 7.
\(900:100=9\).
\(81:81+64\cdot0=1+0=1\).
\(300:10=30\).
\(23\cdot10=230\).
\(81\cdot9\cdot9\cdot1-1=6560\).
\(510:3-1\cdot58=170-58=112\).
\(28:(5-21:21)=28:(5-1)=28:4=7\).
Ответ: 9; 1; 30; 230; 6560; 112; 7.