2 &nbsp; 7 &nbsp; 3<br />
- x -&nbsp;<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small; line-height: 18.2000007629395px; background-color: rgb(255, 255, 255);">&divide; &nbsp;</span><span style="line-height: 20.7999992370605px;">- &nbsp; 舉這當例子的話</span><br />
3 &nbsp; 5 &nbsp; 4<br />
<span style="color: rgb(85, 85, 85); font-family: arial, 新細明體; font-size: 15px; letter-spacing: 0.75px; line-height: 22px;">顛倒相乘後會變成</span><br />
<br />
<span style="line-height: 20.7999992370605px;">2 &nbsp; 7 &nbsp; 4</span><br style="line-height: 20.7999992370605px;" />
<span style="line-height: 20.7999992370605px;">- x - x</span><span style="font-size: small; color: rgb(84, 84, 84); font-family: arial, sans-serif; line-height: 18.2000007629395px;">&nbsp; </span><span style="line-height: 20.7999992370605px;">- &nbsp; &nbsp; 直接用數字代希望有幫到你</span><br style="line-height: 20.7999992370605px;" />
<span style="line-height: 20.7999992370605px;">3 &nbsp; 5 &nbsp; 3</span>