2007-11-03 08:10:39 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
Refer to http://www.mrtc.mdh.se/~icc/1+1=2.htm
2007-11-03 08:27:58 · answer #1 · answered by moshi747 3 · 1⤊ 1⤋
if 1 + 1 = 2 then 2 - 1 must equal to 1. That is where the proof lies.
(i) 1+1 = 2
(ii) 1 = 2 -1 (subtracting 1 from each side).
since (ii) is true, it implies (i) must be true too.
if (ii) was false, then (i) would be false too.
2007-11-03 08:21:00 · answer #2 · answered by Math 7 · 0⤊ 1⤋
it is a definition with symbols
place one bottle of water on the table, poor another bottle of water into the bottle, how many bottles of water do you have now ?
2007-11-03 08:18:02 · answer #3 · answered by gjmb1960 7 · 0⤊ 1⤋
place an apple on a table
place another apple on the table
how many apples are on the table?
2007-11-03 08:13:45 · answer #4 · answered by Anonymous · 2⤊ 1⤋
Consult your fingers.
2007-11-03 08:18:06 · answer #5 · answered by Kindle Kitten 4 · 0⤊ 1⤋
1a+1a=2a
a(1+1)=2a--------------/a
1+1=2
2007-11-03 08:20:21 · answer #6 · answered by Anonymous · 0⤊ 1⤋