一、解方程专题7+=19X+120=17658+X=90X+150=29079.4+X=95.52X+55=1297X=63X×9=4.54.4X=444X×4.5=90X×5=1006.2X=124X-6=19X-3.3=8.9X-25.8=95.4X-54.3=100X-77=275X-77=144X÷7=9X÷4.4=10X÷78=10.5X÷2.5=100X÷3=33.3X÷2.2=89-X=4.573.2-X=52.587-X=2266-X=32.377-X=21.999-X=61.93.3÷X=0.38.8÷X=4.49÷X=0.037÷X=0.00156÷X=539÷X=33×(X-4)=46(８+X)÷5=15(X+5)÷3=1615÷(X+0.5)=1.512X+8X=4012X-8X=4012X+X=26X+0.5X=6X-0.2X=321.3X+X=263X+5X=4814X-8X=126×5+2X=4420X-50=5028+6X=8832-22X=1024-3X=310X×（5+1）=6099X=100-XX+3=18X-6=1256-2X=204X+2=6X+32=763X+6=1816+8X=402X-8=84X-3×9=298X-3X=105X-6×5=42X+5=72X+3=10X-0.8X=612X+8X=4.87(X-2)=494×8+2X=36(X-2)÷3=7X÷5+9=21(200-X)÷5=3048-27+5X=313X-8=163X+9=275.3+7X=7.43X÷5=4.85×3-X=840-8X=5X÷5=215X+25=100X+15=302X+8=2020-2X=62X+9=3135-5X=105（X-6）=2010（9-X）=206(X-3)=123(X-9)=3354-X=247X=49126÷X=4212÷X=0.36.75-X=1.680.7X=4.20.7X+6×5=37(10X-25)÷5=152X-7.5=8.57.9X-X=8.9713(X+5)=1692X+8=16X÷5=10X+7X=89X-3X=66X-8=45X+X=9X÷5=10X+7X=8X-8=6X4÷5X=202X-6=122X+8=169X-3X=66X-8=45X+X=9X-8=6X4÷5X=202X-6=121÷2X-8=4X-5÷6=77X+7=146X-6=05X+6=112X-8=103X+7=283X-7=269X-X=1624X+X=506÷7X-8=43X-8=306X+6=123X-3=15X-3X=42X+16=195X+8=1914-6X=815+6X=275-8X=47X+8=157X+7=146X-6=05X+6=112X-8=102X-8=4X-5÷6=73X+7=283X-7=269X-X=1624X+X=506÷7X-8=43X-8=306X+6=123X-3=15X-3X=42X+16=195X+8=1914-6X=815+6X=275-8X=47X+8=159-2X=14+5X=910-X=88X+9=179+6X=14X+9X=4+72X+9=178-4X=66X-7=127X-9=8X-56=18-7X=1X-30=126X-21=216X-3=69X=184X-18=135X+9=116-2X=1126×1.5=2XX+4+8=237X-12=8X-5.7=2.155X-2X=189.25-X=0.40316.9÷X=0.3X÷0.5=2.6X+13=333-5X=801.8-6X=546.7X-60.3=6.79+4X=400.2X-0.4+0.5=3.79.4X-0.4X=16.212-4X=2012X+34X=118X-14X=1223X-5×14=1412+34X=5622-14X=1223X-14X=14X+14X=6523X=14X+1430X-12X-14X=15X-2X=3089X-43X=9.25X-45=10040X+61=2231.2X-0.5X=6.323.4=2X=564X-X=48.6247X+114=3771X+3=12435X+103=171239X+51=119187X+255=67135X+203=1583X+151=21931X+99=167137X+43=111235X+47=115183X+251=63131X+199=1179X+147=21579X+199=116179X+247=59127X+195=774X+142=21022X+90=158226X+38=106174X+242=54122X+190=270X+138=20671X+191=107128X+34=102170X+238=50118X+186=254163X+24=190198X+78=9357X+172=7866X+134=20214X+82=150218X+30=98166X+234=46146X+214=2694X+162=23042X+110=17842X+162=79100X+6=74142X+210=2290X+158=22638X+106=174242X+54=122239X+100=1017X+153=169133X+248=154221X+33=101222X+86=223X+185=25365X+133=20113X+81=149217X+29=97218X+82=25419X+181=24961X+129=1979X+77=1456X+123=3341X+177=193156X+15=177245X+57=125245X+110=2647X+209=2189X+157=22537X+105=17337X+157=7495X+1=69137X+205=17134X+251=161169X+48=6428X+143=49169X+33=206227X+133=20113X+81=149217X+29=97214X+74=240248X+128=144107X+222=128249X+113=2950X+212=24145X+9=181202X+108=176244X+56=124241X+102=1220X+156=172135X+250=15620X+141=5778X+240=52120X+188=256120X+241=157178X+84=15213X+130=4048X+184=199163X+22=18448X+168=85106X+12=80197X+58=224232X+112=12791X+206=112232X+96=1334X+196=8128X+248=165186X+92=16021X+138=4855X+191=207171X+30=19256X+176=92113X+19=87208X+72=2449X+171=239100X+217=127135X+15=3147X+214=224245X+151=21980X+197=107115X+251=11230X+89=251115X+236=152173X+79=14711X+132=4869X+231=43160X+21=187195X+75=90106X+17=2849X+211=23143X+7=180250X+205=115123X+3=1834X+201=212233X+139=20768X+185=95103X+238=25414X+181=192213X+119=18751X+171=88158X+112=2230X+166=182198X+109=119140X+46=114235X+99=1585X+40=206214X+94=110126X+37=47117X+72=238246X+126=142157X...
