FIND THE VALUE OF 60-57+54-51+...-9+6-3.
2007-09-09 20:42:52 · 6 answers · asked by REMY L 1 in Education & Reference ➔ Homework Help
30
The first two terms add up to three
The third and fourth terms add up to three
The fifth and sixth terms add up to three.
The last two terms add up to three.
Do you see a pattern yet? Each pair adds up to three.
There are ten pairs -- so ten times three is 30.
2007-09-09 20:50:38 · answer #1 · answered by Ranto 7 · 0⤊ 0⤋
I do not know if you see the pattern but you are just adding 3s.
60-57=3
So now the question is how many? Wellhow many pairs are there (60/3)/2 which is the same as 20/2 or 10.
So the answer is 30.
2007-09-10 03:53:05 · answer #2 · answered by 2 Wheel Dragster 3 · 0⤊ 0⤋
30. if you break it up, every two numbers equals 3. there are twenty numbers in the equation, so 3 * 20/2 = 30
2007-09-10 03:46:34 · answer #3 · answered by David 3 · 0⤊ 0⤋
the answer is 30
2007-09-10 04:46:54 · answer #4 · answered by srujaa_pattnaik 2 · 0⤊ 0⤋
The answer is 0
2007-09-10 03:47:05 · answer #5 · answered by Anonymous · 0⤊ 1⤋
you got to subtract each number with 3 and put a + or - in it.
2007-09-10 03:56:11 · answer #6 · answered by Anonymous · 0⤊ 0⤋