First, we need to simplify the expressions within the parentheses first and then perform the operations in order according to the order of operations (parentheses, exponents, multiplication and division from left to right, addition and subtraction from left to right).
First, we need to simplify the expressions within the parentheses first and then perform the operations in order according to the order of operations (parentheses, exponents, multiplication and division from left to right, addition and subtraction from left to right).
(940 + 50) / 10 - 86 0
990 / 10 - 86 0
99 - 86 * 0
99 - 0
99
(600675 - 675) / 100 / 10
600000 / 100 / 10
6000 / 10
600
14800 / 100 + 300
148 + 300
448
(705487 - 5487) / 1000 10
700000 / 1000 10
700 * 10
7000
Therefore, the final results are:
99, 600, 448, 7000