Answer:
1, decomposition 2, trajectory 3, equation
4, index 5, radius 6, negative number
7. carry 8. Similarity 9. self-evident truth
10, curve 1 1, logarithm12,000.
13, diameter 14, large number 15, and
16, verification 17, unequal 18, vertex angle
19, quotient 20, numerator 2 1, denominator
22. Constraint Law 23, Half Angle 24, Similarity 25, Center of the Circle
26, overlap 27, equal
28, divisible
29. Exchange rate 30, integer 3 1, quotient
32. Operation 33. Line segment (disconnection) 34. Parallel
35, origin 36, root 37, setting
38. Quotient 39. Divide by 40. plural
4 1, error 42, equal to (fish) 43, reciprocal 44, average.
45. True score 46. coordinate
47, space 48, minus 49, volume.