装配车间有26个车轮，用来装配二轮车和四轮车，可能有几辆二轮车和几辆四轮车。
方法一：
| 二轮车（辆） |
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| 二轮车轮数 |
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| 剩下车轮数 |
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| 四轮车（辆） |
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方法二：
| 四轮车（辆）） |
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| 四轮车轮数 |
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| 剩下车轮数 |
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| 二轮车（辆） |
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+
= 10﹣
=
=
×
=
÷0.8=
×3÷
÷
= 0.125+
= 3×
=
+
×4=
﹣
= 1﹣75%=
÷0.01= 0÷
+
÷6= 3÷0.9= 13.5÷9=
=
= 40.5﹣0.05= 2÷10%=
×
= 6900÷30=
÷3= 10÷
=
÷
=
×
=
÷
=
×
= 1﹣
=
×60=
×
=
×
×
×
÷5= 30÷
=
÷
=
÷
=