1/48+1/80+1/120+1/168
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1/48+1/80+1/120+1/168
(1/8+1/24+1/48+1/80+1/120+1/168+1/224)*64=
(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(8/1+24/1+48/1+80/1+120/1+168/1)=?求求
42X(1/8+1/24+1/48+1/80+1/120+1/168)求解
8分之1+24分之1+48分之1+80分之1+120分之1=?
8/1+24/1+48/1+80/1+120/1要过程
121x3/4-3/8x40-0.75(1/8+1/24+1/48+1/80+1/120+1/168)x56(7-11/16x3)+(1-11/16x7)+(5-11/16)+(3-11/16x5)
计算 (80+120)*(1+16%)=80*(1-5%)+120*(1+x)
计算:(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+1/120+1/168+1/224+1/288)*128
简算:(8/1+24/1+48/1+80/1+120/1+168/1+224/1+288/1)×128
(8/1+24/1+48/1+80/1+120/1+168/1+224/1+288/1)*128