六年级数学解比例和解方程

六年级口算题二十三

2∶100= 4∶8=

15

∶200= 12∶16= 1.25∶2= 4.5∶27=

1∶45

= 2∶6= 38

∶15= 7∶14= 212 ∶512

= 0.125∶1.25= 5∶2= 23 ∶34

= 14∶8= 1.8∶9=

2∶9= 0.35∶7=

35 ∶3= 47

∶2=

六年级口算题二十四

13 ∶14 = 3∶23

= 42∶63= 8∶5=

0.3∶0.9= 5∶9=

7∶3= 4.5∶1.5=

2.5∶3= 1

2

∶

1

3

=

6∶8= 6

5

∶

1

6

=

1 2∶

1

5

= 0.2∶1

4

5

=

12∶14= 4∶5=

0.3∶0.9= 3∶15=

1.4∶0.2= 0.3∶2= 3∶8= 1.2∶

2.1= 36∶27= 9∶6=

六年级口算题二十五

5 6∶4= 10∶

1

4

=

4∶8= 100∶20=

4.2∶6= 1

6

∶

1

9

=

0.8∶0.25= 7∶9=

36

144

= 8.1∶0.9= 31∶93= 15∶0.5=

0.8∶0.6= 0.75∶1.5=

2 5∶

1

2

=

8

15

∶

4

5

=

8.1∶9= 514 ∶25

=

六年级口算题二十六

1∶0.125= 123 ∶123

= 1∶0.3= 3∶115

= 49 ∶23 = 1∶114

= 217 = 214

∶9= 246 = 315 ∶45

= 16∶12= 0.25∶14

= 19 ∶16 = 16 ∶13

= 23 ∶34 = 57 ∶27

= 58 ∶57 = 14 ∶18

=

六年级口算题二十七

1 4∶

3

4

= 0.25∶4=

1 2∶

1

4

= 36∶9

1 3∶

1

5

= 1.6∶0.4=

4 7∶

5

6

= 0.1∶0.8=

1 5∶

1

10

= 2.8∶0.7=

1 3∶

1

6

= 42∶21=

4 7∶

4

7

= 7∶3.5=

7 30∶

4

15

= 2.1∶1.2=

1 6∶

1

2

= 63∶9=

六年级口算题二十八

2.4∶3= 7.2∶0.9= 36∶9= 0.81∶0.3= 15∶0.3= 35∶0.7=

7.8∶0.6= 14∶0.7= 3∶0.5= 0.46∶0.02=

2.24∶1.12= 0.63∶0.9=

3.5∶0.7= 0.909∶9=

100∶.25= 2∶9=

75.6∶7= 1.6∶2.5=

4.8∶0.6= 40∶2.5= 12.1∶11= 36∶54=

0.3∶0.5= 5∶2=

14.3∶13= 3∶4=

4.5∶0.15= 21∶24=

六年级口算题二十九

12.1+19.9= 2.5÷0.05=

24×0.04= 4

5

﹢

1

5

=

6.4-3.7= 11

2

÷

2

3

=

84÷28= 4

9

+

5

9

=

897+389= 23

4

×

2

3

=

3.8+0.7= 7

8

-

1

8

=

0.75÷15= 17

8

×

4

15

=

5.6÷0.7= 20×5 4 =

15-6.7= 71

3

÷7

1

3

=

六年级口算题三十

0.36+0.4= 9

5

÷

5

9

=

100+0.07= 11

12

×

3

11

=

0.45×2= 8

7

×

5

7

=

2÷8= 5

8

×

5

8

=

8.4-1.5= 6.2+1.8= 0.9÷0.3= 5.7-0.9=

4×6.3= 1

4

+

1

6

=

6÷0.3= 174-99= 4100÷5= 125×80= 2600÷13= 120÷60= 1600÷80= 2.3+1.8=

六年级口算题三十一

1200÷50= 53

8

-3

1

8

=

1 2＋

1

7

= 1.3×0.5=