N M 3

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Step 2 – Subtract the rounded number from the Minuend Example 3 6 2 - 1 8 5 Subtraction using Addition Step 3 – Add the difference Step 1 – Modify the Subtrahend as shown Final Answer 3 6 2 - 1 8 5 = 1 7 7 © LazyMaths.com 1 8 5 - 3 6 2 (2 0 0 1 5 - 3 6 2 - 1 5) + 1 6 2 1 7 7

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