(-1/126)/(1/9-2/7+2/3-1/14)
-1/63/(3/14-2/9+1/7-1/3)
1/3-1/2=-4/3,3/8-3/5=-9/40,4/11-4/7=-16/77,5/14-5/9=-25/126,
2/3-2/1=-4/3 3/8-3/5=-9/40 4/11-4/7=-16/77 5/14-5/9=-25/126
-1/63/(3/14-2/9+1/7-1/3)+(-2/5)*1/5等于多少?
1 2 3 4 5 6 7 8 9怎么=126求大神帮助
数列2 7 28 63 126()数列0 1/3 1/2 3/5 2/3 5/7()数列63 26 7 0 -2 -9(
7\9减1\2×等于3\14
2/3-x+1/7=9/14等几?
1.14-7 1/3-2 1/2 2.13 1/3-7 1/6+14 4/9 3.3 1
(-1/63)/(1/9-2/7+2/3-1/14)怎么简便计算?
负63分之1,除(9/1 - 7/2 + 3/2- 14/1)等于?
用简便方法计算:-1/63除以(1/9-2/7+2/3-1/14)