Mathematics, 05.05.2021 22:50 velaskawallv
Pick a two-digit number greater than 25. Rewrite your two-digit number as a difference of two numbers. Show how to use the identity below to square your number without using a calculator.
(x-y)2 =x2 -2xy+y2
My two-digit number greater than 25:
Rewrite your two-digit number as a difference of 2 numbers:
Use the identity above to square your number without using a calculator:
use the number 40
Answers: 1
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Pick a two-digit number greater than 25. Rewrite your two-digit number as a difference of two number...
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