Question

I still need help guys

Answer 1

300 + 90 + 9

-45= 0 + 40 + 5

399-45=354

Explanation:

Answer 2

Answer: 399=300+90+9

-45=0+40+5

300+130+14=414

Explanation:

Expanded form is a way to write numbers by showing the value of each digit.