Question 12

Simplify: $$\frac{0.1 \times 0.1 + 0.2 \times 0.2}{0.3 \times 0.3 + 0.6 \times 0.6}$$

Solution

$$\frac{0.1 \times 0.1 + 0.2 \times 0.2}{0.3 \times 0.3 + 0.6 \times 0.6}$$

apply bodmass rule

$$\frac{ 0.01 + 0.04}{0.09 + 0.36}$$

$$\frac{ 0.05}{0.45}$$

$$\frac{1}{9}$$

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