1. Rarraba kwalabe na gilashi (1) Bisa ga siffar, akwai kwalabe, gwangwani, irin su zagaye, m, square, rectangular, lebur, da kwalabe na musamman (sauran siffofi). Daga cikin su, yawancin suna zagaye. (2) Dangane da girman bakin kwalbar, akwai fadi da baki, karamin baki, fesa m...
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