原式=(63+6)️️️️️️️️️️️乘203=69乘203=70乘203再减一个203=14210-203=14007
原式=(63+6)*203=69*203=(70-1)*(200+3)=70*200+210-200-3=14007
(63+54÷9)×203
=(63+6)×(200+3)
=69×200+69×3
=13800+207
=14007
(63+54÷9)x203
=(63+6)x203
=(70一1)x203
=70x203一203
=14210一203
=14007