谁能告诉我“50”0是单数还是双数数?越详细越好。

1到50的单数和双数分别有哪些?
单数(奇数):1.3.5.7.9.11.13.15.17.19.21.23.25.27.29.31.33.35.37.39.41.43.45.47.49.双数(偶数):2.4.6.8.10.12.14.16.18.20.22.24.26.28.30.32.34.36.38.40.42.44.46.48.50质数:2.3.5.7.11.13.17.19.23.29.31.37.41.43.47.合数4.6.8.9.10.12.14.15.16.18.20.21.22.24.25.26.27.28.30.32.33.34.35.36.38.39.40.42.44.45.46.48.49.50
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