[(5/4-3/8)*5/26+1/8*5/26]/30/13

【（4/5-3/8）*5/26+1/8*5/26】除30/13简便运算 17,18,14,8,3,15,13,26,5,26,7,24,11,1,30,20,20,27,3,15,26,3,9 1 2 5 10 13 26 29 58 【】 2 3 5 8 13 21【】 55 2 1 4 4 6 7 8 10【 5/4＊（3/10+4/15）+5/8 1/6+5/18＊3/5 2-6/13＊26/9-2/3 8 9 10 11 12 13 14 15 0 1 2 3 4 5 6 7 24 25 26 27 28 29 30 3 0,1,3,2,6,7,5,4,12,13,15,14,10,11,9,8,24,25,27,26,30,31的规律 8-10/13÷5/26-5/8 简便计算 10/1*2*3*4+18/3*4*5*6+26/5*6*7*8= [7/1/14][24/9/5] [4/21] [26/8/5] [23/15] [1/9] [14/9] [13/5/ （1/2-1/6)×5+1/4×4/5 11/28×8/33+13/14×25/26 4 1+2+3-4+5+6+7-8+9+10+11-12+13+14+15-16.+25+26+27-28 4/7除以4/3 7/12除以14/15 13/8除以26/5 9/10除以3/5