what is (9000 x 9) + 3 x 9 - 2 + 90 - 13 equal to
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So first we know 9000 × 9 = 81000........(1)
Second. 3× 9 -2 + ( 90 - 13) = 3 × 9 -2 + 87
Now. 3×9 - 2 + 3× 27 ( by splitting 87)
So. 3{ 1× 9-2 + 1 × 27 }
3[ 8 × 27]
Which is. 3× 216
Now 648 + 81000 = 81648
Hope it helps
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