1.

310 X 999 =?

Answer»

310 X 999 = 310 x (1000-1)

= 310 x 1000 -310 x 1

= 310000 – 310

= 309690.

310 x 999 = 310 x (1000-1)

= 310 x 1000 -310 x 1

= 310000 – 310

= 309690.



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