how can you use a quick picture to find 3 x 2.7
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There are two ways for quick calculation.
1) 3× 2.7 = 3× 27/10 = 81/10 = 8.1
2) 3× 2.7
=3×(3 - 0.3)
=9 - 0.9
=8.1
1) 3× 2.7 = 3× 27/10 = 81/10 = 8.1
2) 3× 2.7
=3×(3 - 0.3)
=9 - 0.9
=8.1
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