x*0.6+(100一)*0.62+(100一x)*0.52=58求x
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x*0.6+(100一)*0.62+(100一x)*0.52=58求xx*0.6+(100一)*0.62+(100一x)*0.52=58求xx*0.6+(100一)*0.62+(100一x)*0.52
x*0.6+(100一)*0.62+(100一x)*0.52=58求x
x*0.6+(100一)*0.62+(100一x)*0.52=58求x
x*0.6+(100一)*0.62+(100一x)*0.52=58求x
题目有问题哦
x*0.6+(100一)*0.62+(100一x)*0.52=58求x
计算(1一2)x(2一3)x(3一4)x.x(99一100)的结果是
|x一2|+1
一.6(x-1
计算:(1-2)x(2一3)x(3-4)x……x(100-101)
计算:|3一x|+|x一1|(x>5)
计算:/3一x/十/x一1/(x>5)
{x一3(X一1)≤7,1一3分之2一5X
x一2分之1一x=3一3分之x一2
4(2X一9)+3(X一15)=7(X一1)一2
若x(x一1)一(x^2一y)=一2,求多项式
20%x=32解:x一60%x=4解:100+50%x=350解:92%x20%x=32解:x一60%x=4解:100+50%x=350解:92%x一78%x=28解:(1一45%)x=110解:70%x一20=43解:
4(2x一7)一2(x一1)=3(x一1)一2 x=?
计算:(2x一1)^2一(x^5一4x^4)÷x^3
解方程:2x(x一1)一x(2x一5)=12
100(X一3)十10(X一1)十X十100X十10(X一1)十(X一3)=787怎么解
0.6*(3.8-x)=1.还有一题:4(x+1)=(x+2),
求(X+1)(X一2)