Question

calculate the square
27^2 - 26^2
and
118^2 - 117^2​

Answer 1

Answer:

27^2-26^2=(27+26)*(27-26)=53*1=53

Answer 2

Answer:

53 and 235

Step-by-step explanation:

1). 27² - 26²

(27)² - (26)²

(27 + 26)(27 - 26) [a² - b² = (a + b)(a - b)]

53 × 1

53 ans

2). 118² - 117²

(118)² - (117)²

(118 + 117)(118 - 117) [a² - b² = (a + b)(a -b)]

235 × 1

235 ans

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