4= 1.5

＋

1.5= 1.2

÷

2.4=

4.7

×

6=

0.5

×

4= 38. 5

×

0

×

0. 38= 0.6

×

0.8= 3

×

0.9=

2.5

×

0.4= 3.6

×

0.4 = 12.5

×

8= 50

×

0.04= 80

×

0.3= 1.1

×

9= 1.6

×

0.5=

3

×

0.7= 4.25

×

4= 0. 07

×

0.5= 33

×

0.04=

6.5

×

4=

2.3

×

0.06=

15

×

0.08=

0.09

×

0.9=

4.7

×

0.1=

54

×

0.8=

1.6

×

0.03=

0.8

×

0.9=

.

.

.

.

0.6

×

100=

17.5

×

0.01=

3.2

×

0.5=

25

×

0.4=

12.5

×

0.8=

6

×

6.5=

3.6

×

0.7=

6.5

×

0.4=

8.5

×

0.2=

0.66

×

0.3=

0.012

×

20=

4.6

×

0.4=

4.1

×

0.6=

0.75

×

0.4=

5.5

×

2=

4.73

×

10=

7.2

×

0.5=

3.3

×

0.5=

0.125

×

8=

4-1.4=

4.1-0.89=

5.68+0.42=

0.8+0.18=

0.89-0.25=

5×400=

19.9+11.1=

2.5

×

0.4=

3

×

0.09=

23

×

0.4=

0

×

23.5=

60

×

0.8=

82-7.2=

6.1-5.1=

1-0.98=

187÷1000=

.

.

.

7.7

×

0.8=

2.2

×

0.05=

0.32

×

100=

0.25

×

4=

3.4

×

0.6=

19+9.1=

0.72-

0.24=

0.+0.52=

1+3.89=

.

0.×10=

75÷10=

0.96÷8=

0.8×7=

1.5×7=

1.32×8=

0.7×8=

10.3×2=

5×0.6=

0.9×0.3=

10×0.05=

0.13×7=

0.05×4=

4×0.3=

1.02-0.09=

7200÷800=

17×300=

0.98-0.09=

10.2+0.02=

0.15+0.7=

9.2-6=

8500÷500=

25×100=

3.2-0.32=

0.35+0.5=

0.35+0.63=

.

.

.

3.5×0.2=

0.21×100=

430-250=

0.17+0.6=

0.2+0.78=

670+250=

3.2-3.2=

2+2.8=

3500÷70=

2.01×0=

0.7×4=

0.17+0.06=

0.83-0.6=

600×

0.7=

10.2+0.2=

3.7+2.3=

380-290=

3.1+3=

.

3.8+0.38=

7500÷250=

3.8+1=

0.95-0.05=

450+780=

3.1+0.3=

3+0.3=

630÷9=

4.5-0.4=

9.5-5=

9.5-0.5=

3.5+2.4=

0.47+0.13=

4.5+4=

2.5+3.2=

0.74+0.16=

480÷40=

0.53÷100=

0.078÷10=

0.52+0.4=

3.4-2.8=

0.6-0.37=

1-0.75=

0.5×1000=

3.05×100=

1.2-0.8=

330×9=

1-0.95=

4-0.6=

23×100=

5.1+2.3=

70×12=

0.052×10=

0.82+0.3=

21.6-12.6=

.

.

.

9.53-1.53=

0.3+0.27=

0.95+0.05=

9.8-4.8=

125×80=

0.25×100=

10+0.08=

13.5+6.5=

63÷100=

.

0.83-0.5=

0.76+0.14=

80÷1000=

2.7+0.4=

0.72-0.43=

30×100=

0.92-0.2=

3.5+4.8=

3.5+2.4=

5+0.07=

0.25+0.75=

3.7+0.33=

0.51+0.33= 1-0.6= 8-4.6=

5.8-3.6=

4.5-1.3=

3.4-2.8=

10+0.08=

9.5-7.3=

8.8-6.7=

9.5-7.3=

0.96-0.35=

9.53-1.53=

0.83-0.5=

2.7+0=

3.25×0=

0.4×50=

4.1×2=

1-0.61=

0.52+0.4=

9.53-1.53=

7.2+0.8=

1-0.95=

0.25+0.75=

12.5×8=

30×0.1=

.

.

.

0.47+0.23=

6.45+5.5=

8.8-6.7=

7.82+0.3=

3.4-2.8=

1.2-0.8=

2.3×4=

2.6×3=

.

0.35×0.2=

7.5×0.1=

2.5×2=

0.5×10=

0.6×8=

2.8×10=

0.7×0.8=

5.6+0.4=

4.7+2.3=

4.5×2=

7.2×0.8=

6×3.4=

0.62-0.32=

3.6×0.3=

5.6×100=

0.86÷2=

0.56÷28=

3.6÷24=

0.8×1.1=

5.2÷13=

1.64+4.1=

0.35×0.6=

4.7+2.3=

7.2×0.8=

6×3.4=

0.75×100=

0.02×0.5=

.

.

.

0.75×100=

0.75÷0.25=

0.36÷0.4=

46.7-3.8=

10÷20=

4.5×2=

0.62

－

0.32=

3.6÷0.3=

0.02×0.5=

0.125×8=

0.7×9=

12.8÷4=

24÷15=

6.9

－

2.5=

1.4×0.5=

6.3÷7=

.

5.6÷100=

0.75÷0.25=

0.125×8=

4.8÷0.3=

0.96÷2=

0.56÷28=

0.36÷0.4=

0.64÷0.8=

0.72÷3.6=

3.6÷

12=

－

3.8=

12.8÷4=

1.64÷41=

10÷20=

0.35×0.6=

3.08×0.01=

0.4×0.5=

2.4

÷

0.8= 10.8

÷

2=

4.95

÷

0.9= 9.65

8=

0.

56

÷

0.7= 0.125

0.13=

.

0.8×1.1=

7.2+12.8= 46.7

5.2÷13=

24÷15=

4.95×1000=

÷

9= 9.6

÷

0.8= 0.108

÷

0.1= 0.325

×

100= 2.5

×

4= 3.28

×

0.1= 3.9

.

.

12.5÷5=

8.65×10=

6.9×0.1=

×

÷

.

7.2

×

0.1=

0.01

×

0.1=

1.2÷0.8=

0.07÷0.7=

1

÷

2.5= 1.25

×

0.8= 3.2

÷

0.04= 0

÷

1.7=

1.4÷0.5=

1.86÷0.2=

1.04÷0.8=

1.16÷0.4=

0.12÷0.6=

8.73÷0.9=

0.72÷0.3=

3.45÷0.5=

0.9÷0.3=

3.92÷0.8=

3.15÷0.7=

1.76÷0.4=

1.19÷0.7=

1.18÷0.2=

1.54÷0.2=

1.55÷0.5=

0.38÷0.1=

0.27÷0.9=

0.46÷0.1=

4.62÷0.6=

0.7

5÷0

5=

5.11÷0.7=

4.32÷0.9=

0.98÷0.7=

2.64÷0.4=

1.53÷0.9=

0.09÷0.1=

8.28÷0.9=

3÷

0.5=

.

.

.

3.15÷0.7=

1.36÷0.2=

0.48÷0.2=

0

.22÷0.2=

1.92÷0.4=

0.35÷0.1=

0.24÷0.8=

1.8÷0.6=

7.56÷0.9=

1.33÷0.7=

0.21÷0.1=

.

二、脱式计算

18.952÷4.12+5.4

17.5÷12.5×1.4

3.4×2.6÷8.84

63÷1.4÷3.6

6.48÷0.12÷5.4

39.05÷7.1

-4.02

16.8+14.7÷0.7

2.61÷1.8×0.4

2.48+4.832

÷

1.6

32 .34

÷

2.1

÷

0.14 1.92

.

.

.

÷（

80.64÷25.6

-3.15

33.83÷4.4

-7.85

3.2

×

6.5

÷

0.26

22-21.7

）

2.05

÷

.

0.82+33.6

30

×

40.6

÷

2.4 44.28

÷

0.9

÷

4.1 2.5

×

0.4

×（

0.4

÷

2.5

）

0.96

÷（

< br>0.5

×

3.2

）

（

1.98-0.98

）

3.7

×

91.6+6.3

×

91.6 0.45

2.8

×

1 .43

＋

0.57 10

.

.

.

×

7.5

×

1.3

< br>×

12

×

0.2 6. 2

－

6.06

＋

8.5 6

（

2.65+2.77

）÷

×

2.1

－

2.1

×