1.6X-4(1.5-0.3X)=50

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1.6X-4(1.5-0.3X)=50
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1.6X-4(1.5-0.3X)=50
1.6X-4(1.5-0.3X)=50

1.6X-4(1.5-0.3X)=50
1.6X-4(1.5-0.3X)=50
1.6X-6+1.2X=50
2.8X=56
X=20

x+ x+(x*50%)=1.5X? 1.6X-4(1.5-0.3X)=50 1.5x=x-1.6*x (2x+x+x/1.5)*4=110求x 50x(x-1)+60x(x-4)=5100 解方程 只要结果,6x-4x=20 1.6+4x=7.6 0.18-6x=0.51 21x-10.8x=8.1 1.6x+2.4x=10.4 6x=96 8x-12.2=3 8.5-5x=3.7 8x-50=0.96 7.8x+0.2x=64.8 1x=10 1.2x-0.5x=2 1.3x=6.3 1.2x+0.3x=3.3 x+3.75=8.42 7x/5=6.3 0.3+0.3x=0.39 x= 2x-1.5x=7.6x x= 0.36x÷0.3=1.2 x=6(x+1.2)=18.6 x= 7x+2x = 8.1 x= (x-5)÷3=1.7 x=5(x+1.1)=15.5 x= 9x+25=70 x= 7x-4x=2.1 x= (3x-1)/0.5=(4-x)/0.3+(3x+5)/1.5 x得多少? 8x-5.5x=7.57.2x÷3.6=2 3x+6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x+x=1.8 3.2x+1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x+6x=4.5 18x-12x=5.42x-1.6x=3.6 18x+3x=7×6 1.2x-0.5x=0.71.3x+2.7x=1 4x-3.2x=6.4 0.8x+3.2x+3x=562.8x-2x=7.2 x-9/6-x+2/3=x-1 x/5-1.5=-1.2x+5 3(5-1.2x)+1.4=x-9/6-x+2/3=x-1x/5-1.5=-1.2x+53(5-1.2x)+1.4=-2(0.3x-1)1-x=-2(3x-2)-12/3x-3/2=1/4x-3/4(6x-5)+[2x-(4x-1)]=-24 解方程:答得好有加分 4x+3=2-x 7x+6=6x 4-3x=x+1 x+1=二分之一x-1 0.3x=1.2 0.3x-1.5=x+0.60.125x+2.75=-1.25x 0.35x-1.5=-2.15x+3.5 X-X/12-X/7-X/8-X/4-X/20-X/5-30-120-300=50解方程 0.3x+7x-0.25x=21.58.7×(36-x)=04(不知道是x还是× 都解了吧)x或者×(x+0.2)=1.27(x+6)-3x=4x(2x+5)3(x+2)=4(x+1)18-4x=2x-63.8x+1.2x=256x+1.5x=15呼呼.累死我了 着急 x+0.3=1.8 x-1.5=4 5x=1.5 x÷1.1=3 3+x=5.4 x-6x+0.3=1.8 x-1.5=4 5x=1.5x÷1.1=33+x=5.4 x-6=7.60.2x=6 x÷5=15 fortran编程,牛顿迭代法求根program mainimplicit nonereal x,f1,f2real,parameter::precision=0.0001f1=2*x*x*x-4*x*x+3*x-6f2=6*x*x-8*x+3x=1.6do while(x>=1.5.and.xprecision)x=x-f1/f2end doprint*,xend运行后不能显示结果~~~哪错了? 3X-18=13.2 1.5X-X=6 4X+1.2X=26 x+1.5x=7500 x-0.85x=3 4x-1.2=74 解方程 x+3.2=6.4 x-1.8=4 x-2=15 1.6x=6.4 x/7=0.3 x/3=2.1