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1、 (0.5+x)+x=9.82 2(X+X+0.5)=9.8 25000+x=6x 3200=450+5X+X 3x+9=27 1.2x=81.6 x+5.6=9.4 x-0.7x=3.6 91x1.3 18(x-2)=27012x=300-4x 7x+5.3=7.4 3x5=4.8 30x+25=85 1.48-2x=66x-12.83=0.06 410-3x=170 3(x+0.5)=21 0.5x+8=43 6x-3x=181.5x+18=3x 53-x2=8 0.273x=0.35 1.8x=0.972 x0.756=909x-40=5 x5+9=21 48-27+5x=31 10.5
2、+x+21=56 x+2x+18=78(200-x)5=30 (x-140)70=4 0.1(x+6)=3.30.4 4(x 7(6.5+x)=87.5 7(x-2)=2x+3(27.5-3.5)x=4 x+19.8=25.8 5.6x=33.6 9.8-x=3.8 75.6x=12.65x+12.5=32.3 5(x+8)=102 x+3x+10=70 3(x+3)=50-x+3 5x+15=603.5-5x=2 0.37+4x=12.5 x1.5-1.25=0.75 4x-1.36=2.6 18(x-2)=270 3X+5X=48 14X-8X=12 65+2X=44 20X-50=50
3、28+6X=88 32-22X=10 24-3X=3 10X（5+1）=60 99X=100-X 56-2X=20 4y+2=6 3x+6=18 16+8x=40 2x-8=8 4x-39=29 8x-3x=105 2x+3=10 12x-9x=9 6x+18=48 56x-50x=30 5x=15 785x=28 32y-29=3 5x+5=15 89x-9=80 100-20x=20 55x-25x=60 76y-75=1 23y-23=23 4x-20=0 80y+20=100 53x-90=16 2x+9x=11 12y-12=24 80+5x=100 7x-8=6 65x+35=10
4、0 19y+y=40 25-5x=15 79y+y=80 42x+28x=140 3x-1=8 90y-90=90 80y-90=70 78y+2y=160 88-x=80 9-4x=1 20x=40 65y-30=100 51y-y=100 85y+1=-86 45x-50=40 (0.5+x)+x=9.82 2(X+X+0.5)=9.8 25000+x=6x 3200=450+5X+X X-0.8X=6 12x-8x=4.8 7.52X=15 1.2x=81.6 x-0.7x=3.6 91x 1.3 X+8.3=10.7 3x816 (27.5-3.5)x=4 12x=300-4x 7x+
5、5.3=7.4 3x5=4.8 30x+25=85 1.48-2x=6 6x-12.83=0.06 410-3x=170 3(x+0.5)=21 0.5x+8=43 6x-3x=18 1.5x+18=3x 53-x2=8 0.273x=0.35 1.8x=0.972 x0.756=90 9x-40=5 x5+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)=3.30.4 4(x-5.6)=1.6 7(6.5+x)=87.5 (27.5-3.5)x=4 (25000+x=6x X-0.8X=6 32
6、00=450+5X+X 12x-8x=4.8 7.5*2X=15 1.2x=81.6 x+5.6=9.4 x-0.7x=3.6 91x1.3 X+8.3=10.7 15x3 3x816 7(x-2)=2x+3 3x+9=27 18(x-2)=270 12x=300-4x 7x+5.3=7.4 3x5=4.8 30x+25=85 1.48-2x=6 6x-12.83=0.06 410-3x=170 3(x+0.5)=21 0.5x+8=43 6x-3x=18 1.5x+18=3x 53-x2=8 0.273x=0.35 x+19.8=25.8 5.6x=33.6 9.8-x=3.8 75.6x=
7、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 0.37+4x=12.5 1502+3x=690 2x-20=4 3x+6=18 2(2.8+x)=10.4 (x-3)2=7.5 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+42.591 4.
8、2x+2.5x134 10.5x+6.5x=51 89x-43x=9.2 5x-45=100 1.2x-0.5x=6.3 23.4=2x=56 4.5x-x=28 x1.5-1.25=0.75 4x-1.36=2.6 20-9x=1.26.25 6x+12.8=15.8 630（2.986.50.08）= (21.88+29.8) 7.6=(8.15.4)3.685.7= (3.44+20.50.32)0.16=0.54(8.745.3)28.4= 0.11+10.80.1=（1.256.4）14.882.4= (4.32.012.2)4=58.8（0.60.7）0.02= 10.47.79（0.350.6）=3.6（1.20.5）5= 13.70.253.74=3.61.25+ 0.320.4= 0.8(3.22.992.3)=2.5(69.7283.2)= 5.2(4.60.920.04)=5.4(3.940.86)0.8= 19.281.820.7=10.563.753.750.56= (1.5 0.81)0.4=3
