30
secondary-education
× 5 |
8
statistics
|
3
teaching
|
0
roots
|
20
terminology
× 2 |
6
examples
× 2 |
2
analytic-geometry
|
-2
problem-design
|
19
textbooks
|
6
functions
|
2
curriculum
|
-2
limits
|
19
negative-numbers
|
4
geometry
|
1
proofs
|
-2
mathematical-analysis
|
18
real-numbers
|
4
self-learning
|
1
algebra
|
-3
set-theory
|
13
undergraduate-education
× 4 |
4
usa
|
1
arithmetic
|
|
9
calculus
× 3 |
4
precalculus
|
0
vector-calculus
|
Acccumulation
