50-(600•3):(4•25)-5•(40-7•5)

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вопрос

To simplify this expression, we need to follow the order of operations (PEMDAS).

First, we need to calculate inside the parentheses:600•3 = 18004•25 = 1007•5 = 3540-35 = 5Now we substitute those values back into the expression:

50 - (1800):(100) - 5•(5)

Next, we need to perform multiplication and division:1800 ÷ 100 = 185•5 = 25Substitute the new values back into the expression:

50 - 18 - 25

Finally, perform the subtraction:

50 - 18 - 25 = 7

Therefore, the simplified expression is 7.