Math, asked by shivanikakkar8948, 9 months ago

7. 40 = (1 + 6-2) + 5
3.
6. 17-18-15 + 110 - 5
8. 1166-113 + 1417 +31 +9
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Answers

Answered by PixleyPanda
1

Answer:

Step-by-step explanation:

1397 x 1397 = (1397)2

= (1400 - 3)2

= (1400)2 + (3)2 - (2 x 1400 x 3)

= 1960000 + 9 - 8400

= 1960009 - 8400

= 1951609.

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