Question

Add using suitable rearrangement: 445 + 600 + 555 + 1400.

Answer 1

Answer:

445+600+555+1400

=445+555+600+1400

=1000+2000

=3000

Answer 2

Answer:

$450 + 555 = 1005 \\ 1005 + 600 = 1605 \\ 1605 + 1400 = 3005$