简算,(3/1-0.25)/2/1+6/5
简算,(3/1-0.25)/2/1+6/5
简算:(2+4+6+.+2000)-(1+3+5+...+1999) 简算:(1+3+5+7+...99+101)-(2
初中计算(-2)^4/(-2 2/3)^2+(5 1/2)*(-1/6)-0.25
(5/6+33*1/22-1/2)*/13(简算)
简算(1/2-3-5/9+5/6-7/12)*(-36)
简算(1)20-1/4×2/5 5/6 (2) (7/16 4/5)÷3/5 (3
简算(5/9×7/10-1/3)×6/5
75/100/[(5/6+1/2*1/3)]/7/12简算
简算 (1.5+2/3)/1/6-2/3
简算:6又3/11/(1又5/7*1.48)*2.96/2又1/11/1又1/6
简算:(1+1/3+1/5+1/10+1/15+1/30)÷(1/2+1/4+1/6+1/12+1/20+1/60)=?
(1+3+5+……+1001)-(2+4+6+……1000) 简算