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Can someone tell me how to be really fast at doing mental calculations? :3
I mean, i'm fast. But like if someone asks me a question randomly 5860 x 250.. i am unable to do it in my head fast enough.
Does anyone know any ways to improve this speed? .-.
I mean, i'm fast. But like if someone asks me a question randomly 5860 x 250.. i am unable to do it in my head fast enough.
Does anyone know any ways to improve this speed? .-.