0.16(6循环)+0.142857(142857循环)+0.125+0.1(1循环)=1/6+1/7+1/8+1/9然后通分再计算就好啦
顺便说一句,1/7=0.142857(142857循环)
2/7=0.285714(285714循环)
3/7=0.428571(428571循环)
4/7=0.571428(571428循环)
5/7=0.714285(714285循环)
6/7=0.857142(857142循环)
发现规律没有?
0.16(6循环)+0.142857(142857循环)+0.125+0.1(1循环)=1/6+1/7+1/8+1/9然后通分再计算就好啦
顺便说一句,1/7=0.142857(142857循环)
2/7=0.285714(285714循环)
3/7=0.428571(428571循环)
4/7=0.571428(571428循环)
5/7=0.714285(714285循环)
6/7=0.857142(857142循环)
发现规律没有?