Question

Select all the equations that are true.

0+451=0
130+210=210+130
(127+80)+250=127+(80+250)
(123+57)+180=153+(87+180)
497+0=497

Answer 1

[AI-generated answer — Bot GPT 3.5]

130+210=210+130

(127+80)+250=127+(80+250)
(123+57)+180=153+(87+180)
497+0=497