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100

2.87 + 5.95=??

8.82!

100

7.4-3.6=?

3.8!

100

5.2x8.6

44.72!

100

8.965 to the nearest tenth

9 or 9.0

100

8.1/0.9

9

200

2.5+4.17

6.67!

200

5.7-3.3=?

2.4!

200

3.6x6.7

24.12!

200

7.548 to the nearest huntredth

7.55

200

4.2/0.6

7

300

2.73+3.47=?

6.2!

300

8.9-5.73=?

3.17!

300

5.9x4.8

28.32!

300

479.952 to the nearest ones

480 or 480.000

300

1.2/0.2

6

400

8.7+5.6=?

14.3!

400

7.94-5.74=?

2.2!

400

7.1x5.93

42.103!

400

68.45 to the nearest tenth

68.5

400

4.8/0.6

8

500

15.3+17.4=?

32.7!

500

45.969-26.895=?

19.074!

500

7.9x8.43

66.597!

500

12686984.678 to the nearest thousand 

12687000

500

7.2/0.8

9