90,283 views
1 vote
1 vote
What is the difference (7² + 8² + 9²) - (6² + 5² + 4²)

User Andrey Tsarev
by
3.2k points

1 Answer

4 votes
4 votes

Answer:

199

Explanation:

49 + 64 + 81 - 36 +25+16

194 - 36 +25 + 16

-36 + 25 + 16

= -11 + 16 = 5

194 + 5 = 199

User PGreen
by
3.5k points