120=x+(100-x)0.2+10 X等于多少 具体怎么算
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120=x+(100-x)0.2+10 X等于多少 具体怎么算
120=x+(100-x)0.2+10 X等于多少 具体怎么算
120=x+(100-x)0.2+10 X等于多少 具体怎么算
120=x+(100-x)0.2+10
120=x+20-0.2x+10
0.8x=90
x=112.5
120=x+20-0.2x+10x=10.8x+20
10.8x=100
x=9.25926
原式=120-10=X+(100-X)0.2+10-10
110=X+(100-X)0.2
110=X+20-0.2X
110=20+0.8X
X=110-20/0.8
=112.5
(X+X)+(X-X)+(X*X)+(X/X)=100
(0.2-x)(500-100x)=120
X+X-10+X+8=100
求x:x(10^x)=100
100-2x+5x=120(x+3)×5-2x=30100-(4x+1)-(4x+1)=204x+8=6x-10
100-2x+5x=120(x+3)×5-2x=30100-(4x+1)-(4x+1)=204x+8=6x-10
x=120+(x ×0.2)
120=x+(100-x)0.2+10 X等于多少 具体怎么算
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