Fill in the blanks: $( 800+400)-450=\boxed{{---}}$.

Given: $( 800+400)-450=\boxed{---}$.

To do: To fill in the blank.

Solution: 

Given $( 800+400)-450=\boxed{---}$.

$( 800+400)-450=1200-450=750$

Thus, $( 800+400)-450=\boxed{750}$.

Tutorialspoint

Updated on: 10-Oct-2022

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