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7nadin3 [17]
3 years ago
6

I still need help guys

Mathematics
2 answers:
NemiM [27]3 years ago
5 0

Answer:

300 + 90 + 9

-45= 0 + 40 + 5

399-45=354

Step-by-step explanation:

8_murik_8 [283]3 years ago
4 0

Answer: 399=300+90+9

-45=0+40+5

300+130+14=414

Step-by-step explanation:

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

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