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Evaluate: (-45)/39 Xx (-13)/15 - Mathematics

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Question

Evaluate: `(-45)/39 xx (-13)/15`

Sum

Solution

`(-45)/39 xx (-13)/15`

`= ((-45) xx (- 13))/(39 xx 15) = ((-3)xx(-1))/(3 xx 1)`

`= 3/3 = 1`

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Concept for Problem Solving Using Operations on Rational Numbers
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Chapter 2: Rational Numbers - Exercise 2 (D)

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 2 Rational Numbers
Exercise 2 (D) | Q 1.4
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