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Preetham Sivalingam from Delhi Public School Bangalore East, Bengaluru

Subject :IMO Class : Class 5

What is 1+1-400+243-643+400-1-1 equal to???

Ans 1:

krish from USHA MARTIN SCHOOL ,malda, malda

Class : Class 5

Answer is 1

Aditya Sai Vemparala from Amanora school, Pune

Class : Class 10

-400

Soundharya from ISWK, Muscat

Class : Class 8

-400