300道解方程题.docx

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1、(0.5+x)+x=9.823x+9=275(x+5)=1002(X+X+0.5)=9.818(x-2)=270x+3x=7025000+x=6x12x=300-4x3(x+3)=503200=450+5X+X7x+5.3=7.41.8x=0.972X-0.8X=63x5三4.8x0.756三9012x-8x=4.830x+25=859x-40=57.5*2X=151.48-2x=6x5+9三211.2x=81.66x-12.83=0.0648-27+5x=31x+5.6=9.4410-3x=17010.5+x+21=56x-0.7x=3.63(x+0.5)=21x+2x+18=7891x=1

2、.30.5x+8=43(200-x)5=30X+8.3=10.76x-3x=18(x-140)70=415x=31.5x+18=3x0.1(x+6)=3.30.43-8=1653-x2=84(x-5.6)=1.67(x-2)=2x+30.273x=0.35(27.5-3.5)x=44(x-5.6)=1.620-9x=1.26.253.4x-48=26.8(27.5-3.5)x=46x+12.8=15.842x+25x=134x+19.8=25.81502+3x=6901.5(x+1.6)=3.65.6x=33.62x-20=42(x-3)=5.89.8-x=3.83x+6=1865x+7=42

3、75.6x=12.62(2.8+x)=10.49x+42.5=915x+12.5=32.3(x-3)2=7.54.2x+2.5x=1345(x+8)=10213.2x+9x=33.310.5x+6.5x=51x+3x+10=703x=x+10089x-43x=9.23(x+3)=50-x+3x+4.8=7.25x-45=1005x+15=606x+18=481.2x-0.5x=6.33.5-5x=23(x+2.1)=10.523.4=2x=560.37+4x=12.512x-9x=8.74x-x=48.6x1.5-1.25=0.7513(x+5)=1694.5x-x=284x-1.36=2.6

4、2x-97=34.2X-5.7=2.15155X-2X=18x+7x=89x-x=163X+0.7=59x-3x=624x+x=503.52三4.2+x6x-8=467x-8=4261.5=2x+105x+x=93x-8=300.516-160.2=4xx-8=6x6x+6=12139.25-X=0.40345x=203x-3=116.9X=0.32x-6=125x-3x=423x=14x147x+7=142x+16=19x+14x=656x-6=05x+8=1935x=805x+6=1114-6x=81.8+6x=542x-8=1015+6x=276.7-60.3=6.712x-8=45-8

5、x=49+4x=40x-56=77x+8=152x+8=163x+7=289-2x=123x-14x=143x-7=264+5x=910-x=85x+9=116.7-60.3=6.78x+9=176-2x=1194x=409+6x=14x+4+8=230.2-0.4+0.5=3.7x+9x=4+77x-12=89.4-0.4x=16.22x+9=17X-5.7=2.1512-4x=208-4x=6155X-2X=1813x+56x=1.46x-7=123X0.7=512x+34x=17x-9=83.52=4.2x18-14x=12x-56=1261.5三2x23x-514=148-7x=10.

6、516160.2=4x12+34x=56x-30=129.25X=0.40322-14x=126x-21=2116.9X=0.3X+8.3=10.76x-3=6X0.5=2.65x=309x=183-5x=80-5.6=9.44x-18=131.8-6x=54x0.8=903x-8=16320=45+6X1.8+2x=63x+9=27X-0.6X=8420-3x=1705.3+7x=7.4x+8.6=9.43(x+5)=183x52-2x=150.5x+9=40X-0.8X=613x=1.36x+3x=3612x+8x=4.8X+8.3=19.71.5x+6=3x7(x-2)=4915x=30

7、53-x=848+2x=363x+9=3640-8x=5(x-2)3=77(x-2)=7x5=21x5+9=213x+9=1248-20+5x=31(200-x)5=3018(x-2)=27x+2x+8=8048-27+5x=3112x=320+4x200-x5=30X-7.7=2.855.37+x=7.4770x=45X-3X=68153x=545.6-3x=1.64X+10=530x=859.8-2x=3.85(x+5)=1008x-156=3x-208x+9=17x+3x=70(2x+7)2=4x+149+6x=143(x+3)=503x+9=27x+9x=4+74(4-1)=3(22-

8、)7x+5.3=7.42x+9=177(2x-6)=84x+5.6=9.46x-7=125(x-8)=3x7x-9=87x-7=6x+43x-8=30x-56=122-x+2=68x6x+6=121.2x=81.68x-6x+30=12x+153x-3=13200=450+5x+x7(x+2)=5x+605x-3x=4x-0.8x=6240(x-7)=302x+16=1912x-8x=4.8(20-8x)3=2x+15x+8=19x-0.7x=3.6(6x-40)8=5x-815+6x=27x-30=12128x=37x+8=156x-21=21(21+4x)2=10x+144+5x=96x-

9、3=69x=1848-27+5x=313=0.064x-18=1310.5+x+21=560.5x+8=435x+9=110.46x-3x=18x+8.3=10.73200=450+5x+x1.8x=0.97215x=3x-0.8x=6x0.756=903-8=1612x-8x=4.89x-40=53x5=4.82x=15x5+9=21x+2x+18=78x+5.6=9.448-27+5x=310.5x+8=43x-0.7x=3.610.5+x+21=566x-3x=18x+8.3=10.7x+2x+18=781.8x=0.97215x=3x+19.8=25.8x0.756=903x-8=16

10、5.6x=33.69x-40=53x+9=275x+12.5=32.33=0.067x+5.3=7.4x+3x+10=70x5+9=213x5=4.85x+15=607+4x=12.59x+42.5=911.8+6x=54x1.5-1.25=0.754.2x+2.5x=1346=2.610,5x+6.5x=519+4x=4089x-43x=9.22x+8=161502+3x=6905x-45=10023x-14x=142x-20=41.2x-0.5x=6.3x+7x=83x+6=184x-x=48.69x-3x=613.2x+9x=33.34.5x-x=287x-12=9x-5.7=2.156

11、x-8=46x+18=485x-2x=185x+x=912x-9x=8.73x+0.7=52x-6=122x-97=34.22=4.2+x7x+7=143.4x-48=26.8261.5=2x+106x-6=042x+25x=13416-160.2=4x5x+6=1165x+7=42x+14x=652x-8=103x+7=2818-14x=123x+9=123x-7=2623-514=2418(x-2)=279x-x三1612+34x=5612x=320+4x,24x+x=50X-7.7=2.855.37+x=7.47x+4+8=235X-3X=68153x=5x-5.7=2.154X+10=

12、530x=855x-2x=18320=45+6X1.8+2x=63x-0.7=5X-0.6X=8420-3x=170261.5=2xx+8.6=9.43(x+5)=1816-160.2=4x52-2x=150.5x+9=40x0.5=2.613x=1.36x+3x=3694x=40X+8.3=19.71.5x+6=3x0.2-0.4+0.5=3.715x=3053-x=89.4-0.4x=16.23x+9=3640-8x=56.7-60.3=6.77(x-2)=7x5=2148-20+5x=317(x-2)=2x+3(x-140)70=4x+2x+8=8018(x-2)=270200-x5=3

13、012x=300-4x4(x-5.6)=1.670x=47x+5.3=7.432y-29=345.6-3x=1.630x+25=855x+5=159.8-2x=3.81.48-2x=689x-9=80(0.5+x)+x=9.826x-12.83=0.06100-20x=202(X+X+0.5)=9.83(x+0.5)=2155x-25x=6025000+x=6x53-x2=876y-75=13200=450+5X+Xx0.756=9023y-23=23X-0.8X=6x5+9=214x-20=012x-8x=4.848-27+5x=3180y+20=1007.5x2X=1510.5+x+21=5653x-90=16x-0.7x=3.6x+2x+18=782x+9x=113x-8=16(200-x)5=3012y