1、18 / 18六年级解方程专项练习200题有答案1x=,2 x=,3 4x=,4 82.52x=13.65 0.78：x=3：5,6120%x=0.4,8 1x=6,92xx=1.2,10931.7x=13.4,11x25%x=24,12x+0.2=,130.6x+90%x=78,1420%x2.43=0.8,15xx=42,160.6x+32.5=67.5,171x0.45=5,18x2.25=8.25,19：x=3：12,20x+0.8=5.6,21 1.4：x=1：0.75, x2=24, 4x=3,2412x+70.3=20.1,25x+x=,26x：42=,270.5+x=,280.
2、8：=0.48：x,29=,3042：=：315x0.4=75%, 6x0.9=4.5, 1.6x=6.4, 4x39=29,x：=93+2x=,94x=15%,95xx=,96x+50%x=6,97：x=0.3：12,984x+28x=26,99x=0,100+x=1,101x+=,102,103,104x,105x,1065x+35=650,1077203x=80,1083.6x0.9x=8.1,10944.53x=6,110=,111631.8X=7.2,112x=,113x=42,114x+=,1157x3=8.19,11612：0.6=x：,1173x+2=4x+1,3x70%x=9
3、2, 6+x=240,12022.50.4x=12.5,121x：3.5=4：2,122x0.8x6=16,123：=x：8,124,125x：15=：,126x+x=,127x50%x=5,1281x=,1292.5+1x=3,1303x2=4,1318.53x=2,1323x=4,133x5%=17.54,134：=：4x, 6x+31=49, 7x3=8.19, 32.89x=17.5, x0.36x=16, 67+3x=69, 6x+2x56=0, 3x0.454=2.7, 5.8x4.6x=0.96, 8.49x=3, 3x1.2=8,1455x+28=71,1468.71.2x=
4、3.9,1478x2.6x=37.8,1480.75x0.954=8.5,149542+3x=72,1508x2.6=37.8,151x=,152x+30%x=26,1537.83x=3.6,154631.8x=7.2,15510：x=4.5：0.8,156：=x：,157X7.65=4.64,15828.25X=8.25,159X3.6+2.97=12.42,160x=,16114.5=5.5,162x80%x=48,16375%x5=6,164x6.8=15.4,1651.9x=5.7,1664.3yy=4.6,1675x+2.6=7.6, x1.5=12.9, 9x+5x=8.4, 6.
5、8+3.2x=14.8,1715x=,172x=,1734.53x=1.5,1741+25%x=0.5,175x40%x=9,176x20%=15.2,178xx=,179x75%=3,1804x,181：x=：4.5,182x4.56=12.5,1832717x=13.4,1849.6+3x=3.245,1852x+5=5x7, 3x2=25x2,1874x320x+4=0,188=1,1894x56=12,1908x3x=15.6,19130x4=60,1927.20.53x=1.2,1935x2.45=8,194+x=2,1955x+2.415=66,1963.2x+2.8x-x=1,1
6、972.516-8x=12,1989.6-3x=6.3,1995x+6=75,200x0.7+0.93=4,解方程专项练习200题答案：1x=,=, x=； 2 x=,x=,x21=21, x=12； 3 4x=,4x+4x=+4x,=+4x,4=4x4, x=4 82.52x=13.6 202x=13.6, 13.6+2X=20, 2X=6.4, x=3.2；5 0.78：x=3：5,3x=0.785, 3x=3.9, x=1.36120%x=0.4, 120%x+20%x=0.4+20%x, 0.4+20%x=1,0.4+20%x0.4=10.4, 20%x=0.6, 20%x=0.6,
7、x=3；8 1x=6,1xx=6x, 1=6x, 6x6=1, 6x3=1, 6x=4, 6x6=46, x=92xx=1.2, x2=1.2,x=1.2,x=1.2, x=1；10931.7x=13.4, 271.7x=13.4, 271.7x+1.7x=13.4+1.7x, 13.4+1.7x=27,13.4+1.7x13.4=2713.4, 1.7x=13.6, 1.7x1.7=13.61.7, x=811x25%x=24, 75%x=24, 75%x75%=2475%, x=32；12x+0.2=,x0.6=,x0.6+0.6=+0.6,x=,x=, x=1130.6x+90%x=78
8、 1.5x=78, 1.5x1.5=781.5, x=52； 1420%x2.43=0.8, 20%x7.2=0.8, 20%x7.2+7.2=0.8+7.2, 20%x20%=820%, x=40；15xx=42,x=42,x=42, x=252160.6x+32.5=67.5, 0.6x+7.5=67.5, 0.6x+7.57.5=67.57.5, 0.6x=60, 0.6x0.6=600.6, x=100； 171x0.45=5,x0.45x0.45=x0.45,x2.4=1.6,x2.4+2.4=1.6+2.4,x=4,x=4, x=18x2.25=8.25, x2.25+2.25=
9、8.25+2.25, x=10.5；19：x=3：12, 3x=12, 3x3=93, x=320x+0.8=5.6,x+0.80.8=5.60.8,x=4.8,x=4.8, x=821 1.4：x=1：0.75, x=1.40.75, x=1.05 x2=24, x=24, x=24, x=20； 4x=3,4x+=3+, 4x=4, 4x4=44, x=12412x+70.3=20.1, 12x+2.1=20.1, 12x+2.12.1=20.12.1, 12x12=1812, x=1.5；25x+x=,x=,x, x=；26x：42=, 10x=42, 10x10=3010, x=327
10、0.5+x=, 0.75+x=3.75, 0.75+x0.75=3.750.75,x=3,x=3, x=6；280.8：=0.48：x, 0.8x=0.48, 0.8x=0.2, 0.8x0.8=0.20.8, x=29=,x=,x=, x=3；3042：=：x=42,x=30, x=50；315x0.4=75%, 5x0.4+0.4=75%+0.4, 5x5=1.155, x=0.23 6x0.9=4.5, 6x0.9+0.9=4.5+0.9, 6x=5.4, 6x6=5.46, x=0.9； 1.6x=6.4,1.6x1.6=6.41.6, x=4； 4x39=29, 4x27=29, 4
11、x27+27=29+27, 4x=56, 4x4=564, x=14；x：=25x=3,25x=,25x25=, x=；93+2x=,+2x=, 2x=0, x=0；94x=15%,xx=15%x, 0.15x=0.15,0.15x0.15=0.150.15, x=1；95xx=,x=,x=, x=96x+50%x=6, 1.5x=6, 1.5x1.5=61.5, x=4；97：x=0.3：12, 0.3x=, 0.3x0.3=90.3, x=30；984x+28x=26, 4x+162x=26, 2x+16=26, 2x+1616=2616, 2x2=102, x=599x=0,x+=0+,
12、x=,x3=3, x=；100+x=1,+x=1,x=,x=, x=1；101x+=,x=,x=, x=102, 3x3=, x=；103, x=20；104x, x=；105x,x, x=1065x+35=650, 5x+3535=65035, 5x=615, 5x5=6155, x=123；1077203x=80, 7203x3x=803x, 240x=720, 240x240=720240, x=3；1083.6x0.9x=8.1, 3.60.9x=8.1, 2.7x=8.1, 2.7x2.7=8.12.7, x=3；10944.53x=6, 183x=6, 183x+3x=6+3x,
13、6+3x=18, 6+3x6=186, 3x=12, 3x3=123, x=4110=, 2.5x=100.8, 2.5x2.5=82.5, x=3.2；111631.8X=7.2, 181.8X=7.2, 181.8X+1.8X=7.2+1.8X, 7.2+1.8X=18, 7.2+1.8X7.2=187.2, 1.8X=10.8, 1.8X1.8=10.81.8, X=6112x=, x=, x=；113x=42, x=42, x=9；114x+=,x+=,x=,x=, x=1157x3=8.19, 7x33=8.193, 7x=24.57, 7x7=24.577, x=3.51；1161
14、2：0.6=x：, 0.6x=12, 0.6x=6, 0.6x0.6=60.6, x=10；1173x+2=4x+1, 3x+6=4x+4, 3x+63x=4x+43x, x+4=6, x+44=64, x=23x70%x=9.2, 3x0.7x=9.2, 2.3x=9.2, 2.3x2.3=9.22.3, x=4； 6+x=240,6+x6=2406,x=234,x=234, x=39012022.50.4x=12.5, 22.50.4x+0.4x=12.5+0.4x, 12.5+0.4x=22.5, 12.5+0.4x12.5=22.512.5, 0.4x0.4=100.4, x=25；1
15、21x：3.5=4：2, 2x=3.54, 2x2=142, x=6122x0.8x6=16, 0.2x6=16, 0.2x6+6=16+6, 0.2x0.2=220.2, x=110；123：=x：8,x=8,x=8, x=4；124, 0.06x=20.015, 0.06x0.06=0.030.06, x=0.5；125x：15=：,x=15,x6=156, x=40；126x+x=,x=,x=, x=；127x50%x=5,x=5,x6=56, x=30；1281x=, 1x+x=+x,+x=1,+x=1,x=, x=；1292.5+1x=3, 2.5+1x2.5=32.5,x=,x=,
16、 x=1303x2=4, 3x2+2=4+2, 3x=6, 3x3=63, x=；1318.53x=2, 8.53x+3x=2+3x, 3x+2=8.5, 3x+22=8.52, 3x=6, 3x3=63, x=2；1323x=4, 3xx=4x, 4x=3, 4x4=34, x=133x5%=17.54,解：x5%+5%=17.54+5%,x=17.59, x=23；134：=：4x, 解：4x=, 2x+x=x, 2+x,=x, x=3 6x+31=49, 6x+3131=4931, 6x=18, 6x6=186, x=3； 7x3=8.19,7x33=8.193, 7x=24.57, 7
17、x7=24.577, x=3.51； 32.89x=17.5, 32.89x+9x=17.5+9x, 17.5+9x=32.8,17.5+9x17.5=32.817.5, 9x=15.3, 9x9=15.39, x=1.7； x0.36x=16,10.36x=16, 0.64x=16,0.64x0.64=160.64, x=25； 67+3x=69, 42+3x=69, 42+3x42=6942, 3x=27, 3x3=273, x=9； 6x+2x56=0,6+2x56+56=0+56, 8x=56, 8x8=568, x=7 3x0.454=2.7, 3x1.8=2.7, 3x1.8+1.8=2.7+1.8, 3x=4.5, 3x3=4.53, x=1.5； 5.8x4.6x=0.96, 1.2x=0.96, 1.2x1.2=0.961.2, x=0.8； 8.49x=3, 9x=8.43, 9x=2.8, x=92.8, x=6.2； 3x1.2=8,3x1.21.2=81.2, 3x=9.6, 3x3=9.63, x=3.21455x+28=71, 5x+2828=7128, 5x=43,
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