Show that 45 - 45 = 45
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45=9+8+7+6+5+4+3+2+1.............(1)
45=1+2+3+4+5+6+7+8+9..............(2)
On subtracting eq.2 from eq. 1 we get:-
(9+8+7+6+5+4+3+2+2)-(1+2+3+4+5+6+7+8+9)
=8+6+4+1+9+7+5+3+2=45
Hence proved
45=1+2+3+4+5+6+7+8+9..............(2)
On subtracting eq.2 from eq. 1 we get:-
(9+8+7+6+5+4+3+2+2)-(1+2+3+4+5+6+7+8+9)
=8+6+4+1+9+7+5+3+2=45
Hence proved
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