The expression is
Annex two zeros to align the numbers.
Line up the decimal points and subtract the corresponding columns.
(Subtract: )
The value of the expression is .
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(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0c6c7b889421f777ddb2eacc39b2e9c1.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
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.