五年级上解方程练习题.docx

1、五年级上解方程练习题(0.5+x)+x=9.82 2(x+x+0.5)=9.8 25000+x=6x 3200=450+5x+xx-0.8x=6 12x-8x=4.8 7.52x=15 1.2x=81.6 x+5.6=9.4 52-x 15 91x =1.3 x+8.3=10.7 15x =3 3x-8=16 7(x-2)=2x+3 3x+9=27 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

2、 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 x+19.8=25.8 5.6x=33.6 9.8-x=3.8 75.6x=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 x1.5-1.25=

3、0.75 4x-1.36=2.6 20-9x=1.26.25 6x+12.8=15.8 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+42.5=91 4.2 x+2.5x=134 10.5x+6.5x=51 89x-43x=9.2 5

4、x-45=100 1.2x-0.5x=6.3 23.4=2x=56 4x-x=48.6 4.5x-x=28 x-5.7=2.15 15 5x-2x=18 3x+0.7=5 3.52= 4.2+x 261.5= 2x+10 0.516-160.2=4x 139.25-x=0.403 16.9x=0. 3 x0.5=2.6 x+13=33 3 - 5x=80 1.8 +6x=54 6.7x-60.3=6.7 9 +4x=40 2x+8=16 x+7x=8 x-8=6x 2x-6=12 7x+7=14 6x-6=0 5x+6=11 2x-8=10 3x+7=28 3x-7=26 9x-x=16 24

5、x+x=50 3x-8=30 6x+6=12 3x-3=1 5x-3x=4 2x+16=19 5x+8=19 14-6x=8 15+6x=27 5-8x=4 7x+8=15 9-2x=1 4+5x=9 10-x=8 8x+9=17 9+6x=14 x+9x=4+7 2x+9=17 8-4x=6 6x-7=12 7x-9=8 x-56=1 8-7x=1 x-30=12 6x-21=21 6x-3=6 9x=18 4x-18=13 5x+9=11 6-2x=11 x+4+8=23 7x-12=8 x-5.7=2.15 15 5x-2x=18 3.52= 4.2 x 261.5= 2x 0.516-160.2=4x 9.25-x=0.403 16.9x=0.3 x0.5=2.6 3-5x=80 1.8-6x=54 6.7x-60.3=6.7 9 +4x=40 0.2x-0.4+0.5=3.7 9.4x-0.4x=16.2 12-4x=20 12x+34x=1 18x-14x=12 23 x+514=14 12+34x=56 22-14x=12 23x-14x=14 x+14x=65 23x=14x+14 30x12x-14x=1 x-0.7x=3.6