1. 99999 + 9999 + 999 + 99 = ?

Answer:

2. 778 + 64 - 214 - 128 + 174 = ?

Answer :

3. 13.141 + 31.417 - 27.118 = ?

Answer :

4.

Answer :

5.

Answer :

6.

Answer :

7. 496 ÷ 0.6 × 0.5 = ? (approximately)

Answer :

8. 151.011 - 419.999 + 649.991 = ?

Answer :

9.

Answer :

10. 0.009 × 0.002 = ?

Answer :

Your score :