1 + 2 + 4 = 7
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no if 1 plus 1 equals 2 then 2 plus 2 equals 4.
The mater is that if you do 1+1=2 then just add the sum with its self, so you have 2+2=4 and 4 is the answer
1/2 plus 1/2 plus 1/4 plus 3/4 is two.
let 1+2+4+8+...... =s s= 1+2(1+2+4+8+........) s=1+2s s=-1 but sum of infinite terms cannot be -1 so, what's the answer
1 - 4 + 1 = -2