X+X+0.5X+0.25X+1=100 X=36
1个回答
移项
(1+1+0.5+0.25)X=100-1
2.75X=99
X=99÷2.75
X=36
相关问题
25*0.36=1.5+25%X
(2011•桐庐县)解方程.①0.5x=3.5②[1/4]-0.1x=0.05③0.36:8=x:25.
解方程 (1)5x²-10=0 (2)36(x-3)²-25=0
求未知数X(1)0.4:0.25= 12 x (2)4X-0.36×5=0.6.
X²=25,X²-81=0,4X²=49,25X²-36=0 X分别为什么?
x÷0.25-36=x÷0.36+30
x^2-4(0.5-0.25x)(1.5-0.75X)-24(0.5-0.25X)^2
1.25x0.59x0.8简便算法.9.8x25 0.32x1.25 0.4x2.5x12.5x0.8
求下列各式中x的值x²=25 x²-81=0 25x²=36 列如:25x²=36x²=根号36/25x=±根号36/2
0.5X0.8X0.2X1.25X0.4X2.5