Answers

Steps for finding the solution

1 / 2 * ( ( - 2 * ( 1 + 2 ) * 10 ) * 15 ) * 3

1 / 2 * ( ( - 2 * 3 * 10 ) * 15 ) * 3

1 / 2 * ( ( -2 * 3 * 10 ) * 15 ) * 3

1 / 2 * ( ( -6 * 10 ) * 15 ) * 3

1 / 2 * ( ( -60 ) * 15 ) * 3

1 / 2 * ( -60 * 15 ) * 3

1 / 2 * -900 * 3

0.5 * -900 * 3

-450 * 3

-1350

Order of operation

1. Brackets or Parentheses :- innermost first, left to right
2. Order or Exponents :- right to left
3. Division and Multiplication :- left to right
4. Addition and Subtraction :- left to right

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