13/18-29/45+8/15 вычислите

Question

13/18-29/45+8/15 вычислите

Answer 1

13\18-29\45+8\15 = 65\90-58\90+48\90 = 55\90 = 11\18

Answer 2

13/18-29/45+8/15=55/90
55/90=11/18

Comments

55\90 = 11\18 , а не 11\13

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да точно

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:/