六年级数学下册解比例及解方程练习题

逍遥右脑  2014-05-02 10:37




人教版六年级解方程及解比例练习题
解比例:
x:10=: 0.4:x=1.2:2 =
:=:x 0.8:4=x:8 :x=3:12
1.25:0.25=x:1.6 = =
x: =6: = 45:x=18:26
2.8:4.2=x:9.6 :x=: 2.8:4.2=x:9.6
x:24= : 8:x=::=x:
0.6∶4=2.4∶x   6∶x=∶ =
∶=x∶ ∶=∶x x∶=0.7∶
10∶50=x∶40    1.3∶x=5.2∶20 x∶3.6=6∶18
∶=∶ x = =
解方程
X- X= 2X + = 70%X + 20%X = 3.6
X×=20× 25% + 10X = X - 15%X = 68
X+X=121 5X-3×= X÷=12
6X+5 =13.4 3X= X÷=
X+X= 4X-6×=2
÷X= X = X = ×
X÷ =× 4x-3 ×9 = 29 x + x = 4
X-21×=4 6X+5 =13.4 X-X= 4χ-6=38
5X= X= X÷= X÷=12 X= X=× X÷=÷ X-0.25= =30%
4+0.7X=102 X+X=42 X+X=105 X-X=400 X-0.125X=8 = X+X=18 X×( + )= x-0.375x= x×+=4× X-X=12  5 X-2.4×5=8
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= 2X + = 70%X + 20%X = 3.6 X×=20×25% + 10X = X - 15%X = 68 X+X=121 5X-3×= X÷=12 6X+5 =13.4
3X= X÷= X+X= 4X-6×=2 ÷X= X = X = × X÷ =×
4x-3 ×9 = 29 x + x = 4 X-21×=4 6X+5 =13.4 X-X= 4χ-6=38 5X= X= X÷= X÷=12 X= X=× X÷=÷
X-0.25= =30% 4+0.7X=102
X+X=42 X+X=105 X-X=400
X-0.125X=8 = X+X=18
X×( + )= x-0.375x= x×+=4×
X-X=12   5 X-2.4×5=8 0.36×5- x =
(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 + =
70%X + 20%X = 3.6 X×=20× 25% + 10X =
X - 15%X = 68 X+X=121 5X-3×=
3X= X÷= X+X= 4X-6×=2

÷X= X = X = ×
X÷ =× 4x-3 ×9 = 29 x + x = 4
X-21×=4
6X+5 =13.4 X-X= 4χ-6=38
5X= X= X÷=
X÷=12 X= X=×
X÷=÷ X-0.25= =30%
4+0.7X=102 X+X=42 X+X=105
X-X=400 X-0.125X=8 =
X+X=18 X×( + )= x-0.375x=
x×+=4× X-X=12     5 X-2.4×5=8
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
计算下面各题,能简算的要简算.
  ××3 5×× × 4 ×
(+ )× 5 (+)×27 6 ×(×)
(- )× ×(7 - ) ×+ ×
 ×+× ×- × ×6 -× 6
21× 37× × 24 (+ 7 )× 25 ×+ × - ×
1- × + × ×(5 - )
12×(+ + ) ×(125 × 34) (+ )×7 ×5
 × 199 × (24 + )× × 78
×+ ×0.4-2÷5×




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