3 Digits 4 Rows with timer

 

  It contains 25 questions with timer. You can attempt multiple times, everytime questions will be changed.

 
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#1. 280+707+628-428=

#2. 510+988+547-670=

#3. 342-246+176-221=

#4. 222+199-153+280=

#5. 348-252+175-203=

#6. 387-268+164-192=

#7. 232+287-211+319=

#8. 352-176+216-297=

#9. 244+295-198+253=

#10. 249+314-223+180=

#11. 431-245+204-255=

#12. 192+260-157+280=

#13. 456-264+178-270=

#14. 392-269+164+202=

#15. 225+286-179+167=

#16. 215+276-163+208=

#17. 398-195+399-288=

#18. 410-261+202+291=

#19. 376-241+575-224=

#20. 174+289-195+270=

#21. 530+374-232+566=

#22. 427-271+169+215=

#23. 171+495+869-799=

#24. 168+274-191+266=

#25. 364-200+207-265=

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