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Operations with Decimals and Fractions (Without a Calculator)

Operations with Decimals and Fractions (Without a Calculator)

Secondary 1

Without using a calculator, find the value of each of the following.

  1. \(6.89\times \left( \frac{-4.2}{1.2} \right)\)
  2. \(3.5-(-2.7)\)
  3. \(\frac{0.75}{5}\times \left( \frac{-8.4}{0.2} \right)\)

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Answer:(a) \(-24\frac{23}{200}\) (b) \(6\frac{1}{5}\) (c) \(-6\frac{3}{10}\)

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