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Add or subtract as indicated. See Example.EXAMPLE 2 Adding and Subtracting DecimalsAdd or...

Add or subtract as indicated. See Example.

EXAMPLE 2 Adding and Subtracting Decimals

Add or subtract as indicated.

(a) 6.92 + 14.8 + 3.217

Place the digits of the decimal numbers in columns by place value, so that tenths are in one column, hundredths in another column, and so on.

To avoid errors, attach zeros as placeholders so that all the decimal numbers are the same length.

(b) 47.6 − 32.509

(c) 3 − 0.253

345.1 − 56.31

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