2D 5

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Step 2 – Double the middle values Example 8 93 Cubing any 2-digit Number Step 3 – Add all the values in each column Step 1 – Calculate the square and cube values of the digits as shown 2 9 4 4 2 8 7 9 7 9 6 9 4 0 Final Answer + 8 9 3 = 7 0 4 9 6 9 Step 4 – Add column totals as shown © LazyMaths.com 83 93 82 x 9 8 x 92 512 729 576 648 Double Add 1152 1296 512 1728 1944 729 1 1 0 1 2 5 0 7

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