\(9876543.9876545-9876544^2\)
\(=\left(9876544-1\right)\left(9876544+1\right)-9876544^2\)
\(=\left(9876544^2-1\right)-9876544^2\)
\(=9876544^2-1-9876544^2\)
\(=-1\)
Đúng 0
Bình luận (0)
9876543 x 9876545 - 98765442
= 9876543 x ( 9876544 + 1 ) - 9876544 x 9876544
= 9876543 x 9876544 + 9876543 - 9876544 x ( 9876543 + 1 )
= 9876543 x 9876544 + 9876543 - 9876544 x 9876543 - 9876544
= - 1
Đúng 0
Bình luận (0)
