1/8+1/24+1/48+1/80+1/120+1/168

来源：学生作业帮助网 编辑：六六作业网 时间：2025/01/23 10:34:50
1/8+1/24+1/48+1/80+1/120+1/1681/8+1/24+1/48+1/80+1/120+1/1681/8+1/24+1/48+1/80+1/120+1/1681/8+1/24+1

1/8+1/24+1/48+1/80+1/120+1/168
1/8+1/24+1/48+1/80+1/120+1/168

1/8+1/24+1/48+1/80+1/120+1/168
1/8+1/24+1/48+1/80+1/120+1/168
=1/2×4+1/4×6+1/6×8+1/8×10+1/10×12+1/12×14
=1/2×（1/2-1/4+1/4-1/6+.+1/12-1/14）
=1/2 (1/2-1/14)
=1/2×6/14
=3/14

两车速度各是多少

=1/2*4 +1/4*6+1/6*8 +1/8*10+1/ 10*12+1/12*14
=(1/2 -1/4+1/4-1/6+1/6-1/8+1/8-1/10+1/10-1/12+1/12-1/14)*1/2
=(1/2-1/14)*1/2
=6/14 *1/2
=3/14

1/8+1/24+1/48+1/80+1/120+1/168=337/1680

1/8+1/24+1/48+1/80 1/8+1/24+1/48+1/80简便计算 (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 1/3+1/8+1/15+1/24+1/35+1/48+1/63+1/80+1/99怎么求 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 1/8+1/24+1/48+1/80+.+1/360 = 1/8+1/24+1/48+1/80……+1/2400=? 1/2+1/8+1/24+1/48+1/80要简便哦 1/2 +1/8+1/24+1/48+1/80怎么做