| Links ordered by themes: |
| fraction geometry equations arithmetic operation trigonometry accessories |
| themes class 7 |
| percentage calculation |
| rational numbers |
| simplify terms |
| proportionalities |
| antiproportionalities |
| Dreisatz |
| calculation with interests |
| calculate a triangle |
| Dreisatz, antiproportional |
| explanation It is: part = base * (percentage rate/100) |
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| base: part: percentage rate: time:0.001026s |
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