早教吧作业答案频道 -->数学-->
100x+10x2x+(x+5)-2x=243
题目详情
100x+10x2x+(x+5)-2x=243
▼优质解答
答案和解析
100x+20x+x+5-2x=243
(100+20+1-2)x=243-5
119x=238
∴x=2
(100+20+1-2)x=243-5
119x=238
∴x=2
看了 100x+10x2x+(x+...的网友还看了以下：
x+y=52x-5=y+5x=y=还有一题是：x+y+z=100x+8=y-8=z*2x=y=z= 2020-03-30 …
添加减乘除或括号3 3 2 2=243 3 4 4=243 3 5 5=243 3 6 6=243 2020-05-16 …
x=5/3+100x=? 2020-06-03 …
5(x+1.1)=15.536x+25x=12.212(x+4)=1442x-37=21.25(x 2020-07-18 …
100x+10x2x+(x+5)-2x=243 2020-07-19 …
11x-8x=8.7x=4（x+3.2）=100x=21x-15x=0.36x=36x+25x=12 2020-10-31 …
x+y=9(100x+y)-(10y+x)=3[(10y+x)-(10x+y)]x+y=9(100x 2020-10-31 …
已知Y=X+2则100x+10y+2y=(100*2y+10y+x)-495这个怎么算.我算了37分 2020-10-31 …
x+y+z=100x+2y+5z=200x+y+z=100x+2y+5z=2002y-x=13 2020-10-31 …
几道解方程x/20+24/60=x/16-15/60x/100+(380-x)/80=4(1000+ 2020-11-03 …