1.25*(0.25+0.25+······+0.25)括号里共加32个0.25

1.25*(0.25+0.25+······+0.25)括号里共加32个0.25 【二分之x=三分之y【0.25x+0.15y=1.25 这个二元一次方程怎么解?要过程········ 把下面的小数化成分数0.25 0.34 0.5 1.15 4.125 急··················要准确, 解方程:6/x+2=3/7 4/3x-25%==33 4/3-0.25=12/5x是未知数·············· ···· · · · ···· ·········· ·········· 2014乘(1+0.5)乘(1+3分之一) 乘(1+0.25)乘·······乘(1+99分之一)简便运算 0.25^2012x4^2013-8^100x0.5^300哪位英雄速速解答我要睡觉了······· 求··············· 一列数按2.1,0.5,0.25···这样的规律排列,第七个数是多少? 什么植物有应激性只要植物名 ········································································································· 急·························· 急 ··············急············