(999^2+999)*0.001
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(999^2+999)*0.001
(999^2+999)*0.001
(999^2+999)*0.001
(999^2+999)*0.001
=999x(999+1)x0.001
=999x1000x0.001
=999x1
=999
999
(999^2+999)*0.001
(999^2+999)*0.001
(999^2+999)*0.001
(999^2+999)*0.001
=999x(999+1)x0.001
=999x1000x0.001
=999x1
=999
999