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五年级解方程练习题50题及答案ok

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五年级解方程练习题50题及答案ok


五年级解方程练习题50题及答案ok

22(X+X+0.5=9.8 325000+x=6x 43200=440+5X+X 5X-0.8X=6 (612x-8x=4.8 (7 7.5+2X=15 (81.2x=81.6
7x+5.6=9.4
(10x-0.7x=3.6
(1191÷x1.3
12 X+8.3=10.7
(13 15x3
1 / 7

(14 3x816
(27
7(6.5+x=87.5 (15 3x+9=27 28 0.273÷x=0.35 (16 18(x-2=270 (17 12x=300-4x (18 7x+5.3=7.4 (19 3x÷5=4.8 (25 0.5x+8=43 (26 6x-3x=18 (29 1.8x=0.972 (30 x
(31 0.1(x+6=3.3 (32 (27.5-3.5 (33 9x-40=5 (34 x 2 / 7
÷0.756=90 ×0.4 ÷x=4

÷5+9=21


(35 48-27+5x=31 43 9.8-x=3.8 (36 10.5+x+21=56 44 75.6÷x=12.6
37 x+2x+18=78 (38 (200-x÷5=30 (39 (x-140÷70=4 40 20-9x=2 (41 x+19.8=25.8 (42 5.6x=33.6 45 46
47 48 49 50 3 / 7



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



五年级解方程50题答案
X=3.75 (8 1.2x=81.6 五年级解方程练习题50题及答案ok
0.5+2x=4.9 0.5+2x-0.5=4.9-0.5 2x=4.4 2x÷2=4.4÷2 X=2.2 22(X+X+0.5=9.8
2x+2x+1=9.8 4x+1-1=9.8-1 4x=8.8 4x÷4=8.8÷4
X=2.2 325000+x=6x 25000+x-x=6x-x
5x=25000 5x÷5=25000÷5 X=5000 43200=440+5X+X 6x+440=3200 6x+450-450=3200-440 6x=2760 6x÷6=2760÷6
X=460 5X-0.8X=6 0.2x=6 0.2x÷0.2=6÷0.2
X=30 (612x-8x=4.8 4x=4.8 4x÷4=4.8÷4 X=1.2 (7 7.5+2X=15 2x+7.5-7.5=15-7.5 2x=7.5 2x÷2=7.5÷2 1.2x÷1.2=81.6÷1.2
X=68 (9 x+5.6=9.4 X+5.6-5.6=9.4-5.6
X=3.8 (10x-0.7x=3.6 0.3x=3.6 0.3x÷0.3=3.6÷0.3
X=12 (1191÷x1.3 91÷x×x=1.3×x 1.3x=91 1.3x÷1.3=91÷1.3
X=70 (12 X+8.3=10.7 X+8.3-8.3=10.7-8.3
X=2.4 (13 15x3 15x÷15=3÷15
X=0.2

(14 3x816 3x-8+8=16+8 3x=24 3x÷3=24÷3 X=8 (15 3x+9=27 3x+9-9=27-9 3x=18 3x÷3=18÷3 3x=6 (16 18(x-2=270 18x-36=270 18x-36+36=270+36 4 / 7
18x=306 18x÷18=306÷18 X=17 (17 12x=300-4x 12x+4x=300-4x+4x 16x=300 16x÷16=300÷16 X=18.75 (18 7x+5.3=7.4 7x+5.3-5.3=7.4-5.3 7x=2.1 7x÷7=2.1÷7 X=0.3 (19 3x÷5=4.8 3x÷5×5=4.8×5 3x=24 3x÷3=24÷3 X=8 (20 30÷x+25=85 30÷x+25-25=85-25 30÷x=60 30÷x×x=60×x 30=60x 60x÷60=30÷60 X=0.5 (21 1.4×8-2x=6 11.2-2x+2x=6+2x 11.2=6+2x 2x+6-6=11.2-6 2x=5.2 2x÷2=5.2÷2 X=2.6 (22 6x-12.8×3=0.06 6x-38.4=0.06 6x=38.46 6x÷6=38.46÷6 X=6.41 (23 410-3x=170 410-3x+3x=170+3x 170+3x=410 3x+170-170=410-170 3x=240 3x÷3=240÷3
X=80 (24 3(x+0.5=21 3x+1.5=21 3x+1.5-1.5=21-1.5 3x=19.5 3x÷3=19.5÷3 X=6.5 (25 0.5x+8=43 0.5x+8-8=43-8 0.5x=35 0.5x÷0.5=35÷0.5 X=70 (26 6x-3x=18 3x=18 3x÷3=18÷3 X=6 (27 7(6.5+x=87.5 7x+45.5=87.5 7x+45.5-45.5=87.5-45.5 7x=42 7x÷7=42÷7 X=6 (28 0.273÷x=0.35 x=0.273÷0.35 X=0.78 (29 1.8x=0.972 1.8x÷1.8=0.972÷1.8 X=0.54
(30 x÷0.756=90 x÷0.756×0.756=90×0.756 X=68.04 (31 0.1(x+6=3.3×0.4 0.1x+0.6=1.32 0.1x+0.6-0.6=1.32-0.6 0.1x=0.72 0.1x÷0.1=0.72÷0.1 X=7.2 (32 (27.5-3.5÷x=4 24÷x=4 x=24÷4 5 / 7
X=6 (33 9x-40=5 9x-40+40=5+40 9x=45 9x÷9=45÷9 X=5 (34 x÷5+9=21 x÷5+9-9=21-9 x÷5=12 x÷5×5=12×5 X=60 (35 48-27+5x=31 5x+21-21=31-21 5x=10 5x÷5=10÷5 X=2 (36 10.5+x+21=56 x+31.5-31.5=56-31.5 x=24.5 (37 x+2x+18=78 3x+18-18=78-18 3x=60 3x÷3=60÷3 X=20 (38 (200-x÷5=30 (200-x÷5×5=30×5 200-x=150 200-x+x=150+x 150+x=200 X+150-150=200-150 X=50 (39 (x-140÷70=4 (x-140÷70×70=4×70 X-140=280 X-140+140=280+140 X=420 40 20-9x=2 9x=20-2 9x=18 9x÷9=18÷9 X=2 (41 x+19.8=25.8

X+19.8-19.8=25.8-19.8 X=6
(42 5.6x=33.6 5.6x÷5.6=33.6÷5.6 X=6
43 9.8-x=3.8 9.8-x+x=3.8+x 3.8+x=9.8 X=9.8-3.8 X=6 44 75.6÷x=12.6 X=75.6÷12.6 X=6 45 5x+12.5=32.3 5x+12.5-12.5=32.3-12.5 5x=19.8 5x÷5=19.8÷5 X=3.96 46 5(x+8=102 5x+40=102 5x+40-40=102-40 5x=62 5x÷5=62÷5 X=12.4 47 x+3x+10=70 4x+10=70 4x+10-10=70-10 4x=60 4x÷4=60÷4 X=15 48 3(x+3=50-x+3 3x+9=53-x 3x+x+9-9=53-x+x-9 4x=44 4x÷4=44÷4 X=11
49 5x+15=60 5x+15-15=60-15 5x=45 6 / 7

5x÷5=45÷5 X=9 50 3.5-5x=2 3.5-5x+5x=2+5x 5x+2=3.5 5x+2-2=3.5-2 5x=1.5 5x÷5=1.5÷5 X=0.3
7 / 7
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