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Definitions5 characters
er4 xiang4 shi4 xi4 shu4
(math.) binomial coefficient
Usage•••frequent
Pronunciations

As word

1
er4
(math.) binomial coefficient
2
xiang4
(math.) binomial coefficient
3
shi4
(math.) binomial coefficient
4
xi4
(math.) binomial coefficient
5
shu4
(math.) binomial coefficient