五年級上冊解方程計算.doc

x - 0.6=1.2 x0.8=2.50.7x=17.512X-9X=8.6 X+18=483(X+2.1)=10.51.2X=4 X-8 =2.42X=6.6 X0.3=9x - 0.6=1.2 x0.8=2.5 0.7x=17.5 3-2X=2.5 5X=2.5 x0.3=9 0.5x=11.5 52X=154X+1.25=24.4 8X5X=27 91X=1.3 5X7=429(X2.7)=1.8 3X5X=3.24X30.7=6.52.5XX=6 0.3 X+ X=69 12X-9X=8.76X+18=483(X+2.1)=10.5 6+157=14122.8=8.21.4-0.7=56X24=5 28+X=54.5 15XX=283X+1.5X=9 12-X=1.2 9X-5X=9 0.7(x0.9)=42 x0.51.2 6x4x20.212(x3.7)144 5x311=4252X=1591X=1.34X+1.25=24.4 8X5X=2752+X=75X91=1.3 4x0.95=1.8 52X=1591X=1.38X5X=27 X0.38=1.65X0.7=10.7 4x0.95=1.84x30.76.5 2(x+1)=6(10-7.5)x=18x-2x = 833.5x = 140 2x +5 = 4015x+6x = 1685x1.5 = 4.513.7x=5.294.2 33x =5.135x13x=9.6854x=50.5254x=0.6 3.5x = 1401.3x2.43=12.42x +5 = 40 15x+6x=168 8x245x1.5=4.520.5+4x=28.1 3.6x1.2=9.75 181.5+1.7x=13.4 18.5x9.9x=1.721 9.2x+1.5x=32.1 8x7.25=11.24.2-X=0.8 1.2x0.4x=9.68x4.5 =20.52(x0.8)=427x2.5x=28.55x3.56=18374x252x5.2=2.84.23+3x=1513.7+x=15.29 5X7.8=20.22.5XX=1.8(4.5X)2-134.3x1.8x=97.513(x5)=1692x20=42x2.82=10.4 x2.4x=5.1X0.36x=163(x2.1)=10.542x25x=1344x39=295(x1.5)=17.5(x3)2=7.52.5x=14 3.8x=6.3x7.9=2.6X-0.45=0.45X+30=11X14-4x=2 11x+x=10.8 x+6.5x+0.5=7374x253.6x-0.9x5.4X0.546.397.02 = 35.132.84x=4.1 542-1.7x=13.4 9.4x0.4x16.2 X7.80.548.05 + = 10.20.2x0.13.7 9x+42.59125x-16x=2.73.5(x+50)=2384x56=128x3x=15.630(x4)=607.20.53x=1.225x-16x=2.7 (x+4)1.2=6 1.2x-0.9x=0.87 81.25X12.59.2X81.44X = 2.42.7X = 8.64X0.7= 3.50.35.01= 6.331.8 = 0.64x0.95=1.82(x+1)=63.5x = 140 2x +5 = 4015x+6x = 1685x1.5 = 4.58x24x0.51.26x4x20.2 12(x3.7)144 5x311=426x8=4013x4x =8.1x+6.53=21.1 68-3x=3.27(x8)=49 10x48=120x0.45 x =1124X-8X=28.8 4.5X+1.6X=42.7(7-1.4)X=2.8 9X-5.26=4.89x0.79564x364（x9）43X+5X=48 14X-8X=12 65+2X=4420X-50=50 28+6X=88 32-22X=10 24-3X=3 10（X +1）=6099X X=100X+3=18 X-6=12 56-2X=20 4X+2=6x+32=76 3x+6=18 16+8x=40 2x-8=8 4x-39=298x-3x=105 x-65=42x+5=7 2x+3=10 12x-9x=9 6x+18=48 56x-50x=30 5x=15 7 32x-29=3 5x+5=15 89x-9=80 100-20x=20 55x-25x=60 76x-75=1 23x-23=23 4x-20=0 80x+20=100 53x-90=16 2x+9x=11 12x-12=24 80+5x=100 7x-8=6 65x+35=100 19x+x=40 25-5x=15 79x+x=80 42x+28x=140 3x-1=8 90x-90=90 80x-90=70 78x+2x=160 88-x=80 4x-9=1 20x=40 65x-30=100 51x-x=100 85x+1=-86 45x-50=40 x-0.7x=3.6 91x = 1.3 X+8.3=10.7 12x-8x=4.8 7.52X=151.2x=81.6 x+5.6=9.4 15x 3 3x81651x-x=100 85x+1=-86 45x-50=40 (0.5+x)+x=9.82 2(X+X+0.5)=9.8 25000+x=6x 450+5X+X=3200 X-0.8X=6 12x-8x=4.8 7.52X=151.2x=81.6 x+5.6=9.4 x-0.7x=3.6 91x =1.3 X+8.3=10.7 15x 3 3x8163x+9=2718(x-2)=270 7x+5.3=7.4 3x5=4.8 30x+25=85 2x-1.48=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 0.273x=0.35 1.8x=0.972 x0.756=90 9x-4