a1

A-1 answer  <a>6 <b>7 <c>8 <d>9  

a2

A-2 answer <a>仢<b>仛<c>仧<d>仩

a3

A-3 answer <a>777 <b>999 <c>345 <d>789

 

  A-4 answer <a>132 <b>150 <c>210 <d>120

 A-5 answer <a>123 <b>3 <d>6 <c>36

          <a>          <b>         <c>        <d>