(0.1+0.12+0.123+0.1234)*(0.12+0.123+0.1234+0.12345)-(0.1+0.12+0.123+0.1234+0.12345)*(0.12+0.123+0.1234)=

(0.1+0.12+0.123+0.1234)*(0.12+0.123+0.1234+0.12345)-(0.1+0.12+0.123+0.1234+0.12345)*(0.12+0.123+0.1234)= 一道简算题~（0.1+0.12+0.123+0.1234）×（0.12+0.123+0.1234+0.12345）-（0.1+0.12+0.123+0.1234+0.12345）×（0.12+0.123+0.1234） 跪拜计算方法：0.1+0.12+0.123+0.1234+.+0.123456789=? 0.1+0.12+0.123+0.1234+.+0.123456789=?此题为简算题. 0.1+0.12+0.123+0.1234+.+0.123456789=?此题为简算题. （0.1＋0.12＋0.123＋0.1234）×（0.12＋0.123＋0.1234＋0.12345）－（0.1＋0.12＋0.123＋0.1234＋0.12345）×（0.12＋0.123＋0.1234） 0.1×0.01×[3.9-(1.22-0.12)]简便运算 小学奥数题,请高智商的朋友给我讲讲是咋回事?0.1+0.12+0.123+0.1234+0.12345+0.123456+0.1234567+0.12345678+0.123456789=?当然不是让你直接写得数了,麻烦给列下算是,并讲解下.在下不胜感激! 0.1+0.2+0.3+...+0.8+0.9+0.12+0.14+0.16+...+0.88 0.12*20+(x-20)0.09=0.1x 解方程 0.12*5-5x=0.1怎么解方程? 计算0.1+0.2+0.3+.0.9+0.10+0.11+0.12+.+0.99 0.12×5-5x=0.1等于多少 0.123456,0.12346,( ),0.124,0.12,0.1括号里填什么, 0.123二三循环怎么转化成分数.然后0.12一二循环怎么转化?求答案和方法 6乘0.12+0.12x等于18 0.1+0.123=? 把0.123、0.213、0.312、0.132、0.321、0.32、0.23、0.31、0.13、0.21、0.12、0.1、0.2、0.3 从小到大排列.———————————————————————————————————————————