六年级解方程及解比例练习题6
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六年级解方程及解比例练习题6
4.2－4x ＝1.8 x =20× 5x －3×＝ x - 15% x = 684121575
53 x = 0.24x －1.8=4.2 x = × 722598615116
103 x －21×=4 x ÷=12 3.6x ÷2＝2.16 323241
2041
=+
x x 6 x ＋5 =13.4 3x ＋5×0.3=4.58)6.2(2=-x
52x -x = 4 x －6＝38 5 x = x = 311031915218154
x ÷= x = x + x = 4 x － x ＝12 5428155372252161
21x -25% x=10 x ＋x = x =× 4x －3 ×9 = 29 874398615116
x －0.25= 4+0.7x =102 x + x =42 41322183
414
3=+x
4x －6×=2 ÷x = 9x ÷0.7＝9 8.8＋4 x =4032512103
32 x ÷＝12 3x = x ÷= 70%X+20%X = 3.6 418372167
x ＋x ＝121 25% + 10 x = x - 0.8 x = 16+6 x － x －4= 21 835454
20 x – 8.5= 1.5 x ＋25% x =90 (x-32) ×5=115 ＋x ＝3243
x －x = 2x + =72435253
解比例:
x:10=: 0.4:x=1.2:2 =41314.212x 3
21:=:x 0.8:4=x:8 :x=3:12514143
1.25:0.25=x:1.6 = =92x 8x 36354
x: =6: = 45:x=18:26322524x 5.42.26
2.8:4.2=x:9.6 :x=: 2.8:4.2=x:9.61018141
x:24= : 8:x=: :=x: 433154438561121
0．6∶4＝2.4∶x 6∶x＝∶ ＝1.5
x
34∶＝x∶ ∶＝∶x x∶＝0.7∶12
10∶50＝x∶40 1.3∶x＝5.2∶20 x∶3.6＝6∶18
13∶＝∶x ＝ ＝x 64
解方程
X － X= 2X + = 70%X + 20%X = 3.643
X×=20× 25% + 10X = X - 15%X = 68534154
X ＋X ＝121 5X －3×＝ X ÷＝1283215753241
6X ＋5 =13.4 3X=83414
3=
+X 83
X ÷= X ＋X= 4X －6×=272167874332
÷X= X = X = × 53722598615116
X ÷ =× 4x －3 ×9 = 29 x + x = 4356452625132161
103X －21×=4 3220
4
1
=+x x 8)6.2(2=-x
6X ＋5 =13.4 X-X= 4χ－6＝38
5X= X= X ÷=1915218154542815
32X ÷=12 X= X=×4153722598615116
X ÷=÷ X-0.25= =30% 35645262513414X
4+0.7X=102 X+X=42 X+X=105322141
X-X=400 X-0.125X=8 = 83X 3643
X+X=18 X ×( + )= x －0.375x= 65
x ×+=4× X －X ＝12 5 X －2.4×5＝8322183
7
3
0.36×5- x = (x- 4.5) = 7 x- 25%x = 10
x- 0.8x = 16+6 20 x – 8.5= 1.5 x- x -4= 21
X ＋25%X=90 X －X= X － X= 43
2X + = 70%X + 20%X = 3.6 X ×=20×5341
25% + 10X = X - 15%X = 68 X ＋X ＝121 5483
5X －3×＝ X ÷＝12 6X ＋5 =13.4 215753241
834143=+X 3X= X ÷= 8372167
X ＋X= 4X －6×=2 ÷X= 874332
53 X = X = × X ÷ =× 72259861511635645262513
4x －3 ×9 = 29 x + x = 4 X －21×=4 216110332
2041
=+
x x 6X ＋5 =13.4 8)6.2(2=-x
X-X= 4χ－6＝38 5X= 1915
218
X= X ÷= X ÷=12 1545428153241
53X= X=× X ÷=÷ 72259861511635645262513
X-0.25= =30% 4+0.7X=102 414X
32X+X=42 X+X=105 X-X=400 214183
X-0.125X=8 = X+X=18 X 3643
X ×( + )= x －0.375x= x ×+=4× 65322183
X －X ＝12 5 X －2.4×5＝8 0.36×5- x = 7
3
(x- 4.5) = 7 x- 25%x = 10 X ＋25%X=90
x- 0.8x = 16+6 20 x – 8.5= 1.5 x- x -4= 21
X －X= X － X= 2X + = 4335
70%X + 20%X = 3.6 X ×=20× 25% + 10X = 534154
X - 15%X = 68 X ＋X ＝121 5X －3×＝ 8321575
834143=+X 3X=83
X ÷= X ＋X= 4X －6×=272167874332
÷X= X = X = × 53722598615116