六年级解方程练习题.pdf

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1、六年级解方程练习题六年级解方程练习题班级班级姓名姓名成绩成绩2 22 23 33X XX=X=2X+2X+=70%X+20%X=3.670%X+20%X=3.67 75 55 54X X35=20=2014X X38X X121 5X121 5X6X6X5=13.45=13.4X X2=771645 X-15%X=68 X-15%X=683 35215734X 1438 3X=3X=X X78X=X=3423X X141212384X4X6 623=2=2 25%+10X=25%+10X=12123 3X=X=3X=X=258X=X=1165 51010X X635=264513253X X2

2、1212103=4=46X6X5=13.45=13.45X=5X=151957294 4x x3 3 9=299=29x 14x 202 25 5X-X-1 13 3X=X=3 31010821X=X=415 X X65112x x+16x x=4=42(x 2.6)84 46 6383845=15282X X1=12=12343X=X=258X=X=1165729651X X626=13X-0.25=X-0.25=1X=30%=30%3545254+0.7X=1024+0.7X=102X-X-38X=400X=400X+X+3 37 7X=18X=180.375x=0.375x=56442X

3、+X+1X X=42 X+=42 X+1324X=105X=105X-0.125X=8X-0.125X=836=3X4X X(1 16 6+3 313138 8)=)=1212x xx x 2+1=4=4 3X3X125 X2.458328733210.365-x=(x-4.5)=7 x-25%x=1045x-0.8x=16+6 20 xX25%X=903.5X3.5X1.81.812.3 0.8X12.3 0.8XX X0.25X0.25X3 X3 X7.3.6X7.3.6X2 22.16 X2.16 X32 8.5=1.5x-x-4 45 5 x-4=21 x-4=21X387X=94 4

4、1.6 5X1.6 5X2 210102X X21214X X2X X155522X X3 9.X 9.X2X X374510X X23932 2X 2X7X7XX X51071410X X251801806X6X330 2.2X330 2.2X15X15X2 260 4X60 4X5X5XX X2.4 1.5X2.4 1.5X2X2X2X X3341012X X341 110 X10 XX X3.15 3.4X3.15 3.4XX X1 6.6X1 6.6X8559X X10100.8X0.8X10101.81.88.68.66X6X1.81.8五年级五年级(0.5+x)+x=9.822(X

5、+X+0.5)=9.825000+x=6x3200=450+5X+XX-0.8X=612x-8x=4.87.5*2X=151.2x=81.6x+5.6=9.4x-0.7x=3.691x 1.3X+8.3=10.715x 33x816(27.5-3.5)x=4x+19.8=25.85.6x=33.69.8-x=3.875.6x=12.65x+12.5=32.35(x+8)=102x+3x+10=703(x+3)=50-x+35x+15=607(x-2)=2x+33x+9=2718(x-2)=27012x=300-4x7x+5.3=7.43x5=4.830 x+25=851.48-2x=66x-1

6、2.83=0.06410-3x=1703(x+0.5)=210.5x+8=436x-3x=181.5x+18=3x3.5-5x=20.37+4x=12.5x1.5-1.25=0.754x-1.36=2.620-9x=1.26.256x+12.8=15.81502+3x=6902x-20=43x+6=182(2.8+x)=10.453-x2=80.273x=0.351.8x=0.972x0.756=909x-40=5x5+9=2148-27+5x=3110.5+x+21=56x+2x+18=78(200-x)5=30(x-140)70=40.1(x+6)=3.30.44(x-5.6)=1.67(

7、6.5+x)=87.5(x-3)2=7.513.2x+9x=33.33x=x+100 x+4.8=7.26x+18=483(x+2.1)=10.512x-9x=8.713(x+5)=1692x-97=34.23.4x-48=26.842x+25x=1341.5(x+1.6)=3.62(x-3)=5.865x+7=429x+42.5914.2 x+2.5x13410.5x+6.5x=5189x-43x=9.25x-45=1001.2x-0.5x=6.323.4=2x=564x-x=48.64.5x-x=28X-5.7=2.1515 5X-2X=183X+0.7=53.52=4.2+x261.5=

8、2x+100.516160.2=4x10-x=88x+9=179+6x=14x+9x=4+72x+9=178-4x=6x-7=127x-9=8x-56=18-7x=1x-30=126x-21=216x-3=69x=1813 9.25X=0.40316.9X=0.323x=14x14x14x=653 5x801.8+6x546.7x 60.36.79 4x 402x+8=1623x-14x=14x+7x=89x-3x=66x-8=45x+x=9x-8=6x4/5x=202x-6=127x+7=146x-6=05x+6=112x-8=104x-18=135x+9=116-2x=11x+4+8=23

9、7x-12=8X-5.7=2.1515 5X-2X=183X 0.7=53.52=4.2 x261.5=2x0.516160.2=4x9.25X=0.40316.9X=0.3X0.5=2.61/2x-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=935x801.8-6x546.7x60.36.79 4x400.2x0.40.53.79.4x0.4x16.2124x201/3x5/6x1.412x34x=118x14x=1223 x514=141234x=562214x=12