(完整版)五年级下册数学解方程240题

(0.5+x)+x=9.8÷ 2x-0.7x=3.67x+5.3=7.4

2(X+X+0.5)=9.891÷ x＝1.33x ÷ 5=4.8 25000+x=6x X+8.3=10.730÷ x+25=85 3200=450+5X+X15x＝3 1.4 ×8-2x=6

X-0.8X=63x－ 8＝166x-12.8 × 3=0.06 12x-8x=4.87(x-2)=2x+3410-3x=170

7.5X2x=153x+9=273(x+0.5)=21

1.2x=81.618(x-2)=2700.5x+8=43

x+5.6=9.412x=300-4x6x-3x=18

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7(6.5+x)=87.510.5+x+21=569.8-x=3.8

1.5x+18=3x x+2x+18=7875.6 ÷ x=1

2.6

5×3-x÷ 2=8 (200-x) ÷ 5=30 5x+12.5=32.3

0.273 ÷ x=0.35(x-140) ÷ 70=45(x+8)=102

1.8x=0.97220-9x=1.2 × 6.25x+3x+10=70

x÷ 0.756=900.1(x+6)=3.3×0.45x+15=60

9x-40=5(27.5 -3.5) ÷ x=4 3.5-5x=2

x÷ 5+9=21x+19.8=25.80.3 × 7+4x=12.5

48-27+5x=31 5.6x=33.63X+0.7=5

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3.5 × 2=

4.2+x9＋ 4x＝407x+7=14

26× 1.5= 2x+102x+8=166x-6=0 0.5 × 16― 16× 0.2=4x 23x-14x=14 5x+6=11 13 9.25－ X=0.403X+7x=82x-8=10 16.9 ÷ X=0.39x-3x=6 2.5x-8=4 23x=14x＋ 14 6x-8=22 3x+7=28 x＋ 14x=655x+x=93x-7=26 3－5x＝ 80x-8=6x9x-x=16

1.8 +6x＝542x-6=1224x+x=50

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1.2x-8=45-8x=48-4x=6

3x-8=307x+8=156x-7=12 6x+6=129-2x=17x-9=8

3x-3=14+5x=9x-56=1 5x-3x=410-x=88-7x=1 2x+16=198x+9=17x-30=12 5x+8=199+6x=146x-21=21 14-6x=8x+9x=4+76x-3=6

15+6x=272x+9=179x=18

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4x-18=13 1.8-6x＝5412＋ 34x=56 5x+9=11 6.7x－ 60.3＝ 6.722－ 14x=12 6-2x=119＋ 4x＝40X+8.3=10.7 x+4+8=230.2x－ 0.4＋0.5＝ 3.75x ＝ 30

7x-12=89.4x－ 0.4x＝ 16.2x-5.6=9.4

5X-2X=1812－ 4x＝20x÷ 0.8=90 9.25－ X=0.4032x＋ 34x=13x－ 8＝16 X÷0.5=2.618x－14x=123x+9=27

90－5x＝ 8023 x－ 5× 14=14 5.3+7x=7.4

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X-0.8X=6x-7.7=2.8515x ＝30

12x+8x=4.85x-3x=683x+9＝ 36 7(x-2)=494x+10=187(x-2)=7

4×8+2x=36321=45+6x3x+9=12 (x-2)÷ 3=7x-0.6x=818(x-2)=27 9-x=3x+8.6=9.412x=320+4x 91÷x ＝ 1.352－ 2x＝15 5.37+x=7.47 41-3x=1713÷ x ＝ 1.315÷ 3x=5

81÷ 3x=9x+8.3=19.730÷ x=75

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1.8+2x=648-20+5x=315x＋ 2x=1.4＋ 0.07 420-3x=180x+2x+8=806x－ 3x=6÷5

3(x+5)=18200-x÷ 5=30x－13.4＋ 5.2=1.57 0.5x+9=4070÷x=40.4×25－ 3.5x=6.5

6x+3x=3645.6- 3x =1.67x＋ 3× 1.4x=0.2× 56 1.5x+6=3x9.8-2x=3.85×(3－ 2x)=2.4× 5

5×3-x=85(x+5)=1007.5x＋ x=10.2

40-8x=5x+3x=70(1.5＋x)× 2=9

x÷ 5=213(x+3)=5015x－5x＋ 16=80

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15.6÷ 4－ 3.5x=1.1 5x+15=60 (x-3) ÷ 2=7.5 5x－ 4× 12=22.5 0.3 × 7+4x=12.5 13.2x+9x=33.3 (27.5-3.5) ÷ x=4x÷ 1.-51.25=0.753x=x+100

x+19.8=25.84x-1.3 × 6=2.6x+4.8=7.2

5.6x=33.66x+12.8=15.86x+18=48

9.8-x=3.8150 × 2+3x=6903(x+2.1)=10.5 75.6 ÷ x=12.62x-20=412x-9x=8.7

5x+12.5=32.33x+6=1813(x+5)=169

3(x+3)=50-x+32(2.8+x)=10.42x-97=34.2

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3.4x-48=26.85x-45=10083－ 5x＝ 80 42x+25x=134 1.2x-0.5x=6.38 +6x＝ 54 1.5(x+1.6)=3.623.4=2x=569＋ 4x＝49 2(x-3)=5.84x-x=48.62x+8=160 65x+7=42

4.5x-x=2823x-14x=18 9x+4× 2.5＝ 91X-

5.7=2.15x+7x=80 4.2 x+2.5x＝1343X+0.7=59x-3x=60 10.5x+

6.5x=5116.9 ÷ X=03.6x-8=40

89x-43x=9.2x＋ 14x=605x+4x=9

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