1.

715Thevalue ofis equal to÷7 5 29 1042848490(A)을 (B)(C)(D)55 1155535

Answer»

Explanation : (7/15)/(7/9 + 5/10) ÷ 1/2 = (7/15)/((70+45)/90) ÷ 1/2 = (7/15)/(115/90) ÷ 1/2 = (7×6)/115 × 2 = 84/115

Answer : 84/115

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