please answer this question very urgent
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1000^3-2^3
1000000000-8
999999992
vishakh7:
we can write 998^3 as 998^2x998... then we can calculate in mind
there is is short cut for squaring any number within 10seconds
but i have to do in detail
well... then you should follow the steps in your textbook
i dont have septs in textbook
well... I don't know how i can explain. i did it in mental calculation. maybe i can tell the tricks of squaring within seconds
ohk
you want?
fine
ok
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