An integer of 1 (average counting unit of natural numbers of forward and backward numbers ... 29)
2 decimal places (completely close to pure band loop ... 24)
3 score (true and false bandpass approximate scores are the simplest and most complicated ... 18)
4% (ratio converted to concentration ... 12)
Operation of 5 Numbers (Sum Product Business Law ... 63)
Divisibility of 6 numbers (even and odd factor multiples ... 15)
7 Ratio and proportion (internal and external positive and negative scales ... 26)
Eight simple equations (single multi-term integral fractional numerical solution ... 13)
9. Quantity measurement (single unit quantity ... 40)
10 geometry (7 1 ................. point-line polyhedron)
1 1 statistical chart (7 folding fans in ...........)
12 application problem (zoom in and out to ... 19)