b ) (13 1/4) / (- 4/7) + (- 17 1/4) / (- 4/7); (1 - Dicamon

Question

b ) (13 1/4) / (- 4/7) + (- 17 1/4) / (- 4/7); (1 1/3 + 3/4 - 7/12) ^ 2 * (1/2 - 2/3) ^ 2; 100/123 / (3/4 + 7/12) + 23/123 / (9/5 - 7/15); (5 4/9) / (- 5/18) +

Answer

a 1/4 / (- 4/7) + (- 17 1/4) / (- 4/7) = 53/4 * (- 7/4) - 69/4 * (- 7/4); = -7 4 ( 53 4 - 69 4 ); 100/123 / (3/4 + 7/12) + 23/123 / (9/5 - 7/15); = -7 4 .(-4)=7; = 100 123 :( 9 12

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