(100)²-(99)²= that.
Answers
Answered by
0
Answer:
199
Step-by-step explanation:
Answered by
1
Step-by-step explanation:
LET
100^2 AS a^2
and
-99^2 As b^2
a^2-b^2=(a-b)(a+b)
(100-99)(100+99)
=1*199
=199
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