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一元一次方程的计算题,越难越好
提问时间:2019-06-12 20:14:12 1人问答
问题描述:

  一元一次方程的计算题,

  越难越好

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史立军回答:
  7(2x-1)-3(4x-1)=4(3x+2)-1;   (5y+1)+(1-y)=(9y+1)+(1-3y);   20%+(1-20%)(320-x)=320×40%   2(x-2)+2=x+1   2(x-2)-3(4x-1)=9(1-x)   x/3-5=(5-x)/2   2(x+1)/3=5(x+1)/6-1   (1/5)x+1=(2x+1)/4   (5-2)/2-(4+x)/3=1   x/3-1=(1-x)/2   (x-2)/2-(3x-2)/4=-1   11x+64-2x=100-9x   15-(8-5x)=7x+(4-3x)   3(x-7)-2[9-4(2-x)]=22   3/2[2/3(1/4x-1)-2]-x=2   2(x-2)-3(4x-1)=9(1-x)   11x+64-2x=100-9x   15-(8-5x)=7x+(4-3x)   3(x-7)-2[9-4(2-x)]=22   3/2[2/3(1/4x-1)-2]-x=2   2(x-2)+2=x+1   1.7(2x-1)-3(4x-1)=4(3x+2)-1   2.(5y+1)+(1-y)=(9y+1)+(1-3y)   3.[(-2)-4]=x+2   4.20%+(1-20%)(320-x)=320×40%   5.2(x-2)+2=x+1   6.2(x-2)-3(4x-1)=9(1-x)   7.11x+64-2x=100-9x   8.15-(8-5x)=7x+(4-3x)   9.3(x-7)-2[9-4(2-x)]=22   10.3/2[2/3(1/4x-1)-2]-x=2   11.5x+1-2x=3x-2   12.3y-4=2y+1   13.87X*13=5   14.7Z/93=41   15.15X+863-65X=54   16.58Y*55=27489   17.2(x+2)+4=9   18.2(x+4)=10   19.3(x-5)=18   20.4x+8=2(x-1)   21.3(x+3)=9+x   22.6(x/2+1)=12   23.9(x+6)=63   24.2+x=2(x-1/2)   25.8x+3(1-x)=-2   26.7+x-2(x-1)=1   27.x/3-5=(5-x)/2   28.2(x+1)/3=5(x+1)/6-1   29.(1/5)x+1=(2x+1)/4   30.(5-2)/2-(4+x)/3=1   15x-8(5x+1.5)=18*1.25+x   3X+189=521   4Y+119=22   3X*189=5   8Z/6=458   3X+77=59   4Y-6985=81   87X*13=5   7Z/93=41   15X+863-65X=54   58Y*55=27489   1.2(x-2)-3(4x-1)=9(1-x)   2.11x+64-2x=100-9x   3.15-(8-5x)=7x+(4-3x)   4.3(x-7)-2[9-4(2-x)]=22   5.3/2[2/3(1/4x-1)-2]-x=2   6.2(x-2)+2=x+1   7.0.4(x-0.2)+1.5=0.7x-0.38   8.30x-10(10-x)=100   9.4(x+2)=5(x-2)   10.120-4(x+5)=25   11.15x+863-65x=54   12.12.3(x-2)+1=x-(2x-1)   13.11x+64-2x=100-9x   14.14.59+x-25.31=0   15.x-48.32+78.51=80   16.820-16x=45.5×8   17.(x-6)×7=2x   18.3x+x=18   19.0.8+3.2=7.2   20.12.5-3x=6.5   21.1.2(x-0.64)=0.54   22.x+12.5=3.5x   23.8x-22.8=1.2   24.150x+10=60   25.260x-30=20   26.33^20x+50=110   27.42x=5x-3   28.590=10+x   29.690+20x=30   30.7691+3x=700   12x-10.3x=15   20.52x-(1-0.52)x=80   3x/2+3x/2=7   43x+7=32-2x   53x+5(138-x)=540   63x-7(x-1)=3-2(x+3)   718x+3x-3=18-2(2x-1)   83(20-y)=6y-4(y-11)   9-(x/4-1)=5   103[4(5y-1)-8]=6   ①14.59+x-25.31=0   x=10.72   ②x-48.32+78.51=80   x=49.81   ③820-16x=45.5×8   x=28.5   ④(x-6)×7=2x   x=8.4   ⑤3x+x=18   x=4.5   ⑥0.8+3.2=7.2   x=5   ⑦12.5-3x=6.5   x=2   ⑧1.2(x-0.64)=0.54
史立军
2019-06-12 20:16:08
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