五年级上册解方程计算.doc

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1、x-0.6=1.2x÷0.8=2.50.7×x=17.512X-9X=8.6X+18=483(X+2.1)=10.51.2＋X=4X--8=2.42X=6.6X÷0.3=9x-0.6=1.2x÷0.8=2.50.7×x=17.53-2X=2.55X=2.5x÷0.3=90.5x=11.552－X=154X+1.2×5=24.48X—5X=2791÷X=1.35X＋7=42     9(X－2.7)=1.83X＋5X=3.24X＋3×0.7=6.52.5X—X=60.3X+X=6912X-9X=8.76X+18=483(X+2.1)=10.56χ+15×7=1412χ÷2.8=

2、8.21.4χ-0.7χ=56X÷24=52×8+X=54.515X－X=283X+1.5X=912-X=1.29X-5X=90.7(x＋0.9)=42x÷0.5＝1.26x－4x＝20.212(x＋3.7)＝1445x－3×11=4252－X=1591÷X=1.34X+1.2×5=24.48X—5X=2752+X=75       X÷91=1.3 4x－0.95=1.852－X=1591÷X=1.38X—5X=27X÷0.38=1.65X×0.7=10.74x0.95=1.84x＋3×0.7＝6.52(x+1)=6(10-7.5)x=18x-2x=833.5x=1402x

3、+5=4015x+6x=1685x＋1.5=4.513.7－x=5.294.2×3—3x=5.135x＋13x=9.685÷4x=50.52×5－4x=0.63.5x=1401.3x＋2.4×3=12.42x+5=4015x+6x=1688x＝245x＋1.5=4.520.5+4x=28.13.6x÷1.2=9.7518×1.5+1.7x=13.418.5x－9.9x=1.7219.2x+1.5x=32.18x－7.2×5=11.24.2-X=0.81.2x＋0.4x=9.68x＋4.5=20.52(x＋0.8)=427x＋2.5x=28.55x－3.5×6=183×7＋4x

4、＝252x－5.2=2.84.2×3+3x=1513.7+x=15.295X－7.8=20.22.5X－X=1.8(4.5＋X)×2-134.3x－1.8x=97.513(x＋5)=1692x－20=42x＋2.8×2=10.4x＋2.4x=5.1X－0.36x=163(x＋2.1)=10.542x＋25x=1344x－3×9=295(x＋1.5)=17.5(x－3)÷2=7.52.5x=143.8＋x=6.3x－7.9=2.6X-0.4×5=0.45X+30=11X14-4x=211x+x=10.8x+6.5x+0.5=73×7＋4x＝253.6x-0.9x＝5.4X－0.

5、54＝6.397.02χ=35.132.8÷4x=4.154÷2-1.7x=13.49.4x－0.4x＝16.2X÷7.8＝0.548.05+χ=10.20.2x＋0.1＝3.79x+4×2.5＝9125x-16x=2.73.5´(x+50)=2384x－5×6=128x－3x=15.6 30×(x÷4)=607.2×0.5－3x=1.225x-16x=2.7(x+4)´1.2=61.2x-0.9x=0.8781.25÷X＝12.59.2－X＝81.44÷X=2.42.7×X=8.64X÷0.7=3.50.3χ–5.01=6.33×1.8÷χ=0.64x0.95=1.82(x

6、+1)=63.5x=1402x+5=4015x+6x=1685x＋1.5=4.58x＝24x÷0.5＝1.26x－4x＝20.212(x＋3.7)＝1445x－3×11=426x－8=4013x－4x=8.1x+6.53=21.168-3x=3.27(x－8)=4910x－4×8=120x－0.45x=1124X-8X=28.84.5X+1.6X=42.7(7-1.4)X=2.89X-5.2×6=4.89x÷0.7＝95×6＋4x＝364（x－9）＝4 3X+5X=4814X-8X=126×5+2X=4420X-50=5028+6X=8832-22X=10 24-3X=310

7、×（X+1）=6099X＋X=100X+3=18X-6=1256-2X=20 4X+2=6x+32=763x+6=1816+8x=402x-8=84x-3×9=298x-3x=105x-6×5=42x+5=72x+3=1012x-9x=96x+18=48 56x-50x=305x=15732x-29=35x+5=1589x-9=80 100-20x=2055x-25x=6076x-75=123x-23=234x-20=080x+20=100 53x-90=162x+9x=1112x-12=2480+5x