If'-' stand for addition, '+' stands for subtraction, '+' stands for multiplication and 'x' stands for division, then which one of the following equations is correct?

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$25 \times 5 \div 20 - 27 + 7 = 120$

$25 + 5 \times 20 - 27 \div 7 = 128$

$25 + 5 - 20 + 27 \times 7 = 95$

$25 - 5 + 20 \times 27 \div 7 = 100$

answer is A.

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Detailed Solution

Solve by options, we can check all the options one by one

$\begin{array}{l} 25 \div 5 \times 20 + 27 - 7 \Rightarrow 5 \times 20 + 27 - 7 \Rightarrow 100 + 27 - 7 \\ 120 = 120 \end{array}$

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