五年级上册数学解方程及答案.docx

五年级上册数学解方程及答案一、解方程。X-7.7=2.85X=10.555X-3X=684X+10=15X=1.255.37+x=7.47X=2.1X=34320=45+6XX45.83X-0.6X=8X=20x+8.6=9.4X=0.815 3x=5X=1522x15X=18.513x 1.3X=10X+8.3=19.7X=11.430 x=85X0.3515x 30X=23x+936X=97(x-2)=7X=31.8+2x=6X=2.13x+9=12X=118(x-2)=27X=3.512x=320+4xX=40420-3x=170X83.330.5x+9=40X=626x+3x=36X=41.5x+6=3xX=43(x+5)=18X=1 53-x=8X=740-8x=5X=4.375x5=21X=1055(x+5)=100X=156x=31x+2x+8=80X=24200-x5=30X=850x+3x=70X=17.5X5.16770x =4X=17.545.6- 3x =1.6X14.6679.8-2x=3.8X=33(x+3)=50X13.667二、培优提升。4（4x1）=3（22x）16x-4=66- 3x7（2x-6）=8414 x -42=848x-156=3x-208x-90 =3x-2014 x=84+4216x-4+3x =668x-90+20=3x-20+2019x-4=6614 x=126x=98x-70=3 x19x=708x-70-3 x=3 x-3xx=70195 x-70=0x3.6845 x=70x=705x=14五年级上册数学解方程及答案一、解方程。X-7.7=2.85X=10.555X-3X=684X+10=15X=1.255.37+x=7.47X=2.1X=34320=45+6XX45.83X-0.6X=8X=20x+8.6=9.4X=0.815 3x=5X=1522x15X=18.513x 1.3X=10X+8.3=19.7X=11.430 x=85X0.3515x 30X=23x+936X=97(x-2)=7X=31.8+2x=6X=2.13x+9=12X=118(x-2)=27X=3.512x=320+4xX=40420-3x=170X83.330.5x+9=40X=626x+3x=36X=41.5x+6=3xX=43(x+5)=18X=1 53-x=8X=740-8x=5X=4.375x5=21X=1055(x+5)=100X=156x=31x+2x+8=80X=24200-x5=30X=850x+3x=70X=17.5X5.16770x =4X=17.545.6- 3x =1.6X14.6679.8-2x=3.8X=33(x+3)=50X13.667二、培优提升。4（4x1）=3（22x）16x-4=66- 3x7（2x-6）=8414 x -42=848x-156=3x-208x-90 =3x-2014 x=84+4216x-4+3x =668x-90+20=3x-20+2019x-4=6614 x=126x=98x-70=3 x19x=708x-70-3 x=3 x-3xx=70195 x-70=0x3.6845 x=70x=705x=14