Question

a) 2/3.[3:(-1/2)+4/3:(-12/5)]+2

b)(1/3)-1+(1/7)0

c)2,1.(-1/2)3+√225/16-(-2/3)2:(3/4)-2

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Answer 1

꧁Hello, how are you?꧂

$a) \: \: \frac{2}{3} \times (3 \div ( - \frac{1}{2}) + \frac{4}{3} \div ( - \frac{12}{5} )) + 2 \\ \\ \frac{2}{3} \times ( - 3 \div \frac{1}{2} + \frac{4}{3} \div ( - \frac{12}{5} )) + 2 \\ \\ \frac{2}{3} \times ( - 3 \times 2 + \frac{4}{3} \div ( - \frac{12}{5} )) + 2 \\ \\ \frac{2}{3} \times ( - 3 \times 2 - \frac{4}{3} \div \frac{12}{5} ) + 2 \\ \\ \frac{2}{3} \times ( - 3 \times 2 - \frac{4}{3} \times \frac{5}{12} ) + 2 \\ \\ \frac{2}{3} \times ( - 3 \times 2 - \frac{1}{3} \times \frac{5}{3} ) + 2 \\ \\ \frac{2}{3} \times ( - 6 - \frac{1}{3} \times \frac{5}{3} ) + 2 \\ \\ \frac{2}{3} \times ( - 6 - \frac{5}{9} ) + 2 \\ \\ \frac{2}{3} \times( - \frac{59}{9} ) + 2 \\ \\ - \frac{2}{3} \times \frac{59}{9} + 2 \\ \\ - \frac{118}{27} + 2 \\ \\ \frac{ - 118 + 54}{27} \\ \\ \frac{ - 64}{27} \\ \\ - \frac{64}{27}$

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