Simplify the following mathematical expressions :
$25 \times 5 - 12 + 18 \div 9$

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Solution

Step 1 : First of all solve he division operation according to BODMAS rule
$= 25 \times 5 - 12 + 18 \div 9 = 25 \times 5 - 12 + 2$
Step 2 : Secondly solve the multiplication sign.
$= 125 - 12 + 2$
Step 3 : Now add all the positive numbers
$= 127 - 12$
Step 4 : Lastly subtract the remaining numbers
$= 115$
Hence the result is $115$

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