jane-stewart_60ad459fb27fe
jane-stewart_60ad459fb27fe
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22. 3 / 5 + x = 1 x = 2 / 5 2 / 5 . 3 / 4 = 6 / 20 = 3 / 10 3 / 10 + 3 / 5 = 3 + 6 / 10 = 9 / 10 // R: Alternativa E. //