六年级解方程及解比例练习题

1、六年级解方程及解比例练习题4.24x1.8 x =20× 5x3× x - 15% x = 68 x = 0.24x1.8=4.2 x = × x21×=4 x÷=12 3.6x÷22.16 6 x5 =13.4 3x5×0.3=4.5x -x = 4 x638 5 x = x = x÷= x = x + x = 4 x x12x -25% x=10 xx = x =× 4x3 ×9 = 29 x0.25= 4+0.7x =102 x + x =42 4x6×=2 ÷x =

2、9x ÷0.79  8.84 x =40 x÷12 3x = x÷= 70%X+20%X = 3.6 xx121 25% + 10 x = x - 0.8 x = 16+6 x x4= 21 20 x 8.5= 1.5 x25% x =90 (x-32) ×5=115 xxx = 2x + =解比例:x:10=: 0.4:x=1.2:2 =:=:x 0.8:4=x:8 :x=3:121.25:0.25=x:1.6 = =x: =6: = 45:x=18:262.8:4.2=x:9.6 :x=: 2.8:4.2=x:9.6 x:24= : 8:x

3、=:=x: 0642.4x 6x x x x0.71050x40 1.3x5.220 x3.6618 x 解方程X X= 2X + = 70%X + 20%X = 3.6X×=20× 25% + 10X = X - 15%X = 68XX121 5X3× X÷126X5 =13.4 3X=练习二 姓名： 班级：X÷= XX= 4X6×=2 ÷X= X = X = × X÷ =× 4x3 ×9 = 29 x + x = 4X21×=4 6X5 =13.4 X-X= 46385X

4、= 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×( + )= x0.375x= x×+=4× XX12 5 X2.4×580.36×5- x = (x- 4.5) = 7 x- 25%x = 10x- 0.8x = 16+6 20 x 8.5= 1.5 x- x -4= 21 X25%X=90 XX= X X= 2X + = 70%X + 20%X = 3.

5、6 X×=20×25% + 10X = X - 15%X = 68 XX121 5X3× X÷12 6X5 =13.4 3X= X÷= XX= 4X6×=2 ÷X= X = X = × X÷ =× 4x3 ×9 = 29 x + x = 4 X21×=4 6X5 =13.4 X-X= 4638 5X= X= X÷= X÷=12 X= X=× X÷=÷ X-0.25= =30% 4+0.7X=102 X+X=42 X+X=105

6、 X-X=400 X-0.125X=8 = X+X=18 X×( + )= x0.375x= x×+=4× XX12 5 X2.4×58 0.36×5- x = (x- 4.5) = 7 x- 25%x = 10 X25%X=90 x- 0.8x = 16+6 20 x 8.5= 1.5 x- x -4= 21 XX= X X= 2X + = 70%X + 20%X = 3.6 X×=20× 25% + 10X = X - 15%X = 68 XX121 5X3× 3X=X÷= XX= 4X6×=2 ÷X= X = X = × X÷ =× 4x3 ×9 = 29 x + x = 4X21×=4 6X5 =13.4 X-X= 46385X= 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×( + )= x0.375x= x×+=4