1/8+1/24+1/48+1/80=?(简便方法)
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1/8+1/24+1/48+1/80=?(简便方法)1/8+1/24+1/48+1/80=?(简便方法)1/8+1/24+1/48+1/80=?(简便方法)分别提出1/4得(1/2+1/2-1/3+1
1/8+1/24+1/48+1/80=?(简便方法)
1/8+1/24+1/48+1/80=?(简便方法)
1/8+1/24+1/48+1/80=?(简便方法)
分别提出1/4得(1/2+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6)得1/4乘(1-1/6)=5/24
(1/8+1/24+1/48+1/80+1/120+1/168+1/224)*64=
42x(8/1+24/1+48/1+80/1+120/1+168/1)=?求求
1/8+1/24+1/48+1/80
1/8+1/24+1/48+1/80简便计算
8分之1+24分之1+48分之1+80分之1+120分之1=?
1/8+1/24+1/48+1/80+.+1/360 =
1/8+1/24+1/48+1/80……+1/2400=?
(1/8+1/24+1/48+1/80+1/120+1/168+1/224+1/288)×128=_____.
1/8+1/24+1/48+1/80=?(简便方法)
(1/8+1/24+1/48+1/80+1/120+1/168+1/224)*64=?简便算法
(1/8+1/24+1/48+1/80+1/120+1/168+1/224)乘64
(1/8+1/24+1/48+1/80+1/120+1/168)简便计算
(1/8+1/24+1/48+1/80+1/120+1/168)乘以56
(8/1+24/1+48/1+80/1+120//1+168/1)*42
1/8+1/24+1/48+1/80+1/120+1/168
(1/8+1/24+1/48+1/80+1/120+1/168)*56
42X(1/8+1/24+1/48+1/80+1/120+1/168)求解
有拆项法计算,8分之1+24分之1+48分之1+80分之1+120分之1=