Question

$5 {}^{3} - 5 ^{2} \times \frac{3}{2} ^{2} \times \frac{4}{5} ^{2}$
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Answer 1

5³-5²×(3/2)²×(4/5)²

= 125-25×9/4×16/25

= 125-(9×4)

= 125-36

= 89 Ans.