一元一次方程去分母练习题

题目

一元一次方程去分母练习题

答案

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 24.1 50x+10=60 25.2 60x-30=20 26.3 3^20x+50=110 27.4 2x=5x-3 28.5 90=10+x 29.6 90+20x=30 30.7 691+3x=70031,2x-10.3x=15 32 0.52x-(1-0.52)x=80 33,x/2+3x/2=7 34,3x+7=32-2x 35,3x+5(138-x)=540 36 3x-7(x-1)=3-2(x+3) 37 18x+3x-3=18-2(2x-1) 38 3(20-y)=6y-4(y-11) 39,9 -(x/4-1)=5 40 3[4(5y-1)-8]=641,7(2x-1)-3(4x-1)=4(3x+2)-1; 42,(5y+1)+ (1-y)= (9y+1)+ (1-3y); 43,20%+(1-20%)(320-x)=320×40% 44,2(x-2)+2=x+1 45,2(x-2)-3(4x-1)=9(1-x) 46,11x+64-2x=100-9x 47,15-(8-5x)=7x+(4-3x) 48,3(x-7)-2[9-4(2-x)]=22 49,3/2[2/3(1/4x-1)-2]-x=2 50,2x-10.3x=15 51,3[4(5y-1)-8]=6 52 0.52x-(1-0.52)x=80 53 x/2+3x/2=7 54 3x+7=32-2x 55 3x+5(138-x)=540 56 3x-7(x-1)=3-2(x+3) 57 18x+3x-3=18-2(2x-1) 58 3(20-y)=6y-4(y-11) 59 -(x/4-1)=5 60,10/3 (x/5+3/7)=9x/2 61,5/3（x+0.5)+2=3x-6 62,5x+2(2x/3+2)=2/3(x-6)+2 63,(2x-7)/2-(6x-5)/3=2x+3 64,(3x+2)/5-(x-6)=x/3 65,6x-(x/3+2)=2(x/5+5/2)-3 66,3(x/11-2)-5=2+3x/3 67,10/3(2x-6)=3/5 68,x/2-(x/3-2)=3 69,2/3(x+3)-3=5x/3 70,5/3(2x-5/3)=2x/5-8/9 71,25(x/3-x/2+2/5)-2=3/5(x-2/7)+4/972,3/4[4/3*（1/2x-1/4)-8]=3/2x 73,(x+1)/2-(5+x)/6=3-(x-1)/3 74,(0.2-x)/0.3-1.5=(1-3x)/2.5 75,y-(y-3)/2=y/6+7/2 76,(5y+4)/3+(y-1)=2-(5y-5)/12 77,(4x-1.5)/0.5-(5x-0.8)/0.2=(1.2-x)/0.1 78,(x+1)/0.3-2x=(0.1x+0.2)/0.0579,11x/2+(64-2x)/6=(100-9x)/8 15-(8-5x)/2=7x/3+(4-3x)/4 80,3(x-7)/4-2[9-4(2-x)]/9=22/3 81,3/2[2/3(1/4x-1)-2]-x/9=2/5 82,2x+7^2/2=157/5 83,5x*56+(-3^3-x)]/9=5 84,89x/3-5^2-(8-5x)/5=541 85,x+7-(-36+8^2)/2=8+7^4/3 86,a-7-98+7a=3.2*5a 87,89/2+35/6x=3*9+2^3/5+7x 88,3X+189/3=521/2 89,4Y+119*^3=22/11 90,7(2x-1)-3(4x-1)/9=[4(3x+2)-1]/9 91,[(5y+1)+ (1-y)]/2= [(9y+1)+ (1-3y)]/3 92,[-6(-7^4*8)-4]/5=(x+2)/6 932/3*8*1/4x=89/2 94,20%/5+(1-20%)(320-x)/9=320×40%/3 95,2(x-2)/6+2/9=(x+1)/2 96,2(x-2)/2-3(4x-1)/3=9(1-x)/220%/5+(1-20%)(320-x)/9=320×40%/97,2(x-2)/6+2/9=(x+1)/298,11x/2+(64-2x)/6=(100-9x)/8 99,15-(8-5x)/2=7x/3+(4-3x)/4 100,3(x-7)/4-2[9-4(2-x)]/9=22/3 你看怎么样,