Math, asked by gody, 11 months ago

please solve question 19 20 21 22​

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Answers

Answered by dishabucha
1

Answer:

Step-by-step explanation:

21 . 2 = 8.63 × 8.63 - 1.37×1 3/0.726

=( 8.63)² - (1.37)²/0.726

(8.63+1.37)(8.63-1.37)/0.726

= 10×7.26/0.726

72.6/0.726

= 100

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