[(29/5+1/2)-(3/5+12/5 / 2/3)]/7/10
1 2 3/2 8/5 5/3 12/7 (
1,(-2)+(-5)+7+(-3) 2,(-31)+(+12)+(-29)+(+8) (简便运算)
找规律填数:1/1,3/2,7/5,17/12,41/29,( )
3/2*5+2/5*7+4/7*11+5/11*16+6/11*22+7/22*29+1/29
2/5*7+4/7*11+6/16*22+3/2*5+5/11*16+7/22*29+1/29
拖式:4/5*(-25/3)*(-7/10)= (7/12-5/6+1)*(-24)= [1/5+(-1/2)+(-5/
计算1+3+5+7+...+29-2-4-6-.-28
((-14/5)^4*(-10/7)^3*(-5/12)^2*(-3/20)^1)/|5/6-13/12+19/20-3
{(2+3+4)/1 -(3+4+5)/2+(4+5+6)/3-(5+6+7)/4+...+(10+11+12)/9-(
找规律填数:(1)1/10 7/20 3/5 ( ) (2)7/12 1/2 5/12
2/5+1/2×3/5+7/10;12/13×3/7+4/7 用简便方法计算
1,3,2,6,5,7,( );1,8,2,7,( );16,96,12,10