Question

( - 9 ) + 9 + 300 + 900

Answer 1

\(\left(-9\right)+9+300+900\)

\(=0+300+900\)

\(=300+900\)

\(=1200\)

k nhé

Answer 2

( - 9 ) + 9 + 300 + 900

= 0 + 300 + 900

= 1200

Answer 3

(-9) + 9 +300 + 900 = 300 + 900 = 1 200

Answer 4

\(\left(-9\right)+9+300+900\)

\(=0+300+900\)

\(=1200\)

Answer 5

( - 9) + 9 + 300 + 900 = 300 + 900 = 1 200

Answer 6

( - 9 ) + 9 + 300 = 900

= 300 + 900

= 1200