246! Fast counter

An engaging mathematical challenge! Add fast and train our brain! Use math and sum up numbers to get the right result. The correct result gives you more time for further mamtematic operations. Do not let the numbers fill all the free fields, because it will be the end of your adventure with math. Act and add numbers quickly to get the right amount. Look for numbers in the borders and use them for adding - this will allow You to unlock more fields and get even more time. Collect as much as possible points - be simply the master of summation and the hero of mathematics! Train brain every day to be even better in mathematics.