www.ypnh.net > 2×6/13÷9/26%2/3 (0.75%3/16)×(2/9+1/3) 2/5+3...

2×6/13÷9/26%2/3 (0.75%3/16)×(2/9+1/3) 2/5+3...

12x2=24 0.72/16=12 [0.72-3/16]x[2/9=8/7 1/4x[5/4-3/4]x1/5=4/5 11/461x416151=1554/7 54226151561/5555162x12616515465415845/545=451515612655465666/562652132233233332313 4655555555555555555555555555555555555555555555555555555555555...

2-13分之6=2-6/13=(26-6)/13 =20/13 =1又7/13 26分之9-3分之2 =9/26-2/3 =(27-52)/78 = -25/78 (0.75-16分之3)乘(9分之2+3分之1) =(3/4-3/16)×(2/9+1/3) =(3/16)×(5/9) =5/48 【2-(3分之2+5分之4)】除15分之8 =[2-(2/3+4/5)]÷(8/15) =[2-(...

5分之3*6分之1*7分之5 =3/5*5/7*1/6 =3/7*1/6 =1/14 9分之8/7分之4/3分之1 =8/9*7/4*3 =14/9*3 =14/3 14分之5/21分之4*0.64 =5/14*21/4*0.64 =5/8*0.64 =0.4 2-13分之6/26分之9-3分之2 =2-6/13*26/9-2/3 =2-4/3-2/3 =2-(4/3+2/3) =2-2 =0 (0.7...

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