内容正文:
(0.5+x)+x=9.8÷2 2(X+X+0.5)=9.8 25000+x=6x 3200=450+5X+X
X-0.8X=6 12x-8x=4.8 1.2x=81.6 x+5.6=9.4 x-0.7x=3.6
91÷x =1.3 X+8.3=10.7 15x =3 3x-8=16 7(x-2)=2x+3
3x+9=27 18(x-2)=270 12x=300-4x 7x+5.3=7.4 3x÷5=4.8
30÷x+25=85 1.4×8-2x=6 6x-12.8×3=0.06 410-3x=170 x+2x+18=78
(200-x)÷5=30 3(x+0.5)=21 0.5x+8=43 6x-3x=18 1.5x+18=3x
0.273÷x=0.35 (x-140)÷70=4 1.8x=0.972 x÷0.756=90 9x-40=5
x÷5+9=21 48-27+5x=31 10.5+x+21=56 0.1(x+6)=3.3×0.4
4(x-5.6)=1.6 7(6.5+x)=87.5 (27.5-3.5)÷x=4 (0.5+x)+x=9.8÷2
2(X+X+0.5)=9.8 25000+x=6x 3200=450+5X+X X-0.8X=6
12x-8x=4.8 7.5*2X=15 1.2x=81.6 x+5.6=9.4 x-0.7x=3.6
91÷x =1.3 X+8.3=10.7 15x =3 3x-8=16
7(x-2)=2x+3 3x+9=27 18(x-2)=270 12x=300-4x 7x+5.3=7.4
3x÷5=4.8 30÷x+25=85 1.4×8-2x=6 6x-12.8×3=0.06 410-3x=170
3(x+0.5)=21 0.5x+8=43 6x-3x=18 1.5x+18=3x 5×3-x÷2=8
0.273÷x=0.35 1.8x=0.972 x÷0.756=90 9x-40=5 x÷5+9=21
48-27+5x=31 10.5+x+21=56 x+2x+18=78 (200-x)÷5=30 (x-140)÷70=4
0.1(x+6)=3.3×0.4 4(x-5.6)=1.6 7(6.5+x)=87.5 (27.5-3.5)÷x=4 x+19.8=25.8
5.6x=33.6 9.8-x=3.8 75.6÷x=12.6 5x+12.5=32.3 5(x+8)=102
x+3x+10=70 3(x+3)=50-x+3 5x+15=60 3.5-5x=2 0.3×7+4x=12.5
x÷1.5-1.25=0.75 4x-1.3×6=2.6 20-9x=1.2×6.25 (x-3)÷2=7.5
6x+12.8=15.8 150×2+3x=690 2x-20=4 3x+6=18 2(2.8+x)=10.4
13.2x+9x=33.3 3x=x+100 x+4.8=7.2 6x+18=48 3(x+2.1)=10.5
12x-9x=8.7 13(x+5)=169 2x-97=34.2 3.4x-48=26.8 42x+25x=134
1.5(x+1.6)=3.6 2(x-3)=5.8 65x+7=42 9x+4×2.5=91 4.2 x+2.5x=134
10.5x+6.5x=51 89x-43x=9.2 5x-45=100 1.2x-0.5