其它
Which three numbers can be put in the blanks to make the statement correct?  $6 \times$~\uline{~~~~~~~~~~}~$-$~\uline{~~~~~~~~~~}~$=$ $21 +$~\uline{~~~~~~~~~~}~$\times 2$ 
Overseas Competition->Knowledge Point->Calculation Modules
$6 \times 7 - 5 = 21 + 8 \times 2$ 