简单点的,两步的
第1个回答 2013-02-20
10/7-9/4+10/3 1-(1-10/7) 9/7+15/8+15/1+9/2 7/6+14/1+14/1
4/3+2/1-4/3 6/5-4/1+12/5 7/3+(4/3-3/1) 7/6-9/7+9/8
9/17-6/1-6/5+9/1 7/3+4/1-14/1 8/3+4/1+12/5 12/5-6/1+3/2
15/8+6/1+15/7+6/5 9/2+(4/3-2/1) 8/11-4/1+0.125 100/233-(100/133-7/5)+7/2
75/1×18/7×75 98×97/96 10/7×99+10/7 9/4×16/3+12/5
3/4×12/5+3/5×12/5 8/3×4/3+8/5×75% (1+25%)÷(1-25) 4又3/1÷65%×4又3/1×65%
(1-20%)÷20% 12÷10/3×50% 360×25%+0.25×40
4/3+2/1-4/3 6/5-4/1+12/5 7/3+(4/3-3/1) 7/6-9/7+9/8
9/17-6/1-6/5+9/1 7/3+4/1-14/1 8/3+4/1+12/5 12/5-6/1+3/2
15/8+6/1+15/7+6/5 9/2+(4/3-2/1) 8/11-4/1+0.125 100/233-(100/133-7/5)+7/2
75/1×18/7×75 98×97/96 10/7×99+10/7 9/4×16/3+12/5
3/4×12/5+3/5×12/5 8/3×4/3+8/5×75% (1+25%)÷(1-25) 4又3/1÷65%×4又3/1×65%
(1-20%)÷20% 12÷10/3×50% 360×25%+0.25×40