英文關鍵字
algebra
amount
arithmetic
blue
bulk
calculate
calculation
code
color
colored
count
digit
eight
endless
field
five
flight
flying
four
math
mathematical
nine
numbers
numeral
one
order
quantity
random
sequence
seven
six
three
two
zero
英文關鍵字
algebra
amount
arithmetic
blue
bulk
calculate
calculation
code
color
colored
count
digit
eight
endless
field
five
flight
flying
four
math
mathematical
nine
numbers
numeral
one
order
quantity
random
sequence
seven
six
three
two
zero