直接写出得数： ﹣ = |  ÷= | 25%×400= |  × = |  × × = |
| 1﹣40%= | 1÷ = | ÷7= | 52= |  × +× = |
米可写作60%米．| 10÷10%= |  ÷ = | 24%×5= | 6× +6× = |
| ×4÷×4= |  × = |  ÷ = |  ×6÷= |
（ + ）×16= |  +÷﹣= |
 ÷3= |  ×15= | 2﹣ = | 1+2%= |  ÷ = |
5÷ = |  ×75%= |  ×4× = |  + × = | ×99+99× = |
÷7+
×
+
）×36
×
×16×17． 
，甲数比乙数少 ÷ = |  × = | 0.8× ×125= | （ + ）×20= |
 ÷ = | 1﹣25%= |  × × = | 2.5× = |
| A．π和3.14 | B．25%和 | C． 和0.625 | D．13.2%和1.32 |
化成百分数是
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