Show:
Adding
Subtracting
Multiplying
Dividing
Mystery
100

.29 + 4.03

4.32

100

16.73 - 15.31

1.42

100

2.3 x 0.2

.46

100

.16 ÷ 4

.04

100

2.34 + .4

2.74

200

2.06 + 4.22

6.28

200

23.63 - 12.42

11.22

200

3.3 x .3 

.99

200

3.6 ÷ 9

.4 

200

5.39 - .07

5.32

300

12.41 + .07

12.48

300

16.04 - 2.21

13.83

300

5.3 x 2.3

12.19

300

5.8 ÷ .4

14.5

300

4.86 - .34

4.52

400

7.68 + 2.54

10.22

400

13.00 - 2.04

10.96

400

13.4 x .5

6.70

400

18.2 ÷ 1.4

13.0 

400

1.73 x .8

1.384

500

36.77 + 3.98

40.75

500

6 - 1.13

4.87

500

10.4 x .23

2.392

500

3.15 ÷ 1.5 

2.1

500

.32 ÷ 4

.08