$\"\"$

The expression is $\"\"$

Re write the expression is $\"\"$

Place value chart for 0.6and 0.6.

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$\"\"$

line up the decimal points and draw a line below the numbers.

Annex zero to align the numbers. $\"\"$

$\"\"$

Next find the sum of the tenths digit.

The sum of the tenths digit = $\"\"$ .

$\"\"$ $\"\"$

$\"\"$

Next find the sum of the ones digit.

The sum of the ones digit = $\"\"$ .

$\"\"$

The value of expression is $\"\"$ .