MATHS:proof 45-45=45

in mathstrick •  7 years ago 

Can we proof this? Yes! How ; if only you understand gimmicks trick
See proof below..
download.jpg
First thing you should do: if you sum up digit 0 to 9 they give 45 also in reverse mode 9 to 0 is also 45.
Now you prove this way
9 8 7 6 5 4 3 2 1 0
-0 1 2 3 4 5 6 7 8 9
9 7 5 3 0 8 6 4 2 1

sum up the result 9+7+5+3+0+8+6+4+2+1=45 ( proved)♥♥♥
yeah !, dats it !

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