Question

如何用拆分法巧算分数乘除，急，符合六年级的

Answer 1

1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6?2/9×34.8×5/4+1/45.6÷3/8?3/8÷66.4/7×5/9+3/7×5/97.5/2-（3/2+4/5）8.7/8+（1/8+1/9）9.9×5/6+5/610.3/4×8/9-1/311.7×5/49+3/1412.6×（1/2+2/3）13.8×4/5+8×11/514.31×5/6?5/615.9/7-（2/7?10/21）16.5/9×18?14×2/717.4/5×25/16+2/3×3/418.14×8/7?5/6×12/1519.17/32?3/4×9/2420.3×2/9+1/321.5/7×3/25+3/722.3/14××2/3+1/623.1/5×2/3+5/624.9/22+1/11÷1/225.5/3×11/5+4/326.45×2/3+1/3×1527.7/19+12/19×5/628.1/4+3/4÷2/329.8/7×21/16+1/230.101×1/5?31.1/5×2132.3/4*1/9+1/4*1/933.5/8*2/7+5/8*5/734.101*1/5-1/5*2135.31*5*6-5/636.8*4/5+8*11/537.6*(1/2+2/3)38.(3/5-1*2)*5/339.12*(2*3+1/6)40.4/7*5/9+3/7*5/941.(3+1)*5/642.5/2*(3/2+4/5)