提示:
5/12=50/120;
5/8=75/120;
2/5=48/120;
1/15=8/120;
11/40=33/120;
7/24=35/120.
这样考虑你就可以很容易的做出来了!
因为:
50/120+33/120=75/120+8/120=35/120+48/120=83/120.
即:5/12+11/40=5/8+1/15=7/24+2/5
提示:
5/12=50/120;
5/8=75/120;
2/5=48/120;
1/15=8/120;
11/40=33/120;
7/24=35/120.
这样考虑你就可以很容易的做出来了!
因为:
50/120+33/120=75/120+8/120=35/120+48/120=83/120.
即:5/12+11/40=5/8+1/15=7/24+2/5