Question

simplify 640➗80✖️4➖4 of 20➕639➖72➗9

Answer 1

=> 80×4-80+639-8
=>320-80+631
=>240+631
=>871

Answer 2

=> 80×4-80+639-8
=>320-80+631
=>240+631
=>871...

Hope this helps you...
Please mark it as brainliest answer...☺☺☺