Brain Twisters.. I can't answer them -_-;;
#1
Posted 11 October 2007 - 05:59 AM
Fill in the blanks with the correct signs ( +, - , x , / )
1.) 5_5_5_5 = 30
2.) 7_7_7_7_7 = 13
3.) 6_6_6_6_6_6 = 1
4.) 9_9_9_9_9 = 1
help me answer them ^___^
#2
Posted 11 October 2007 - 06:19 AM
5/5+5*5=30
7+7*7-7/7 = 13
6*6*6/6/6/6 = 1
9*9+9/9-9 = 1
hope dats right ^^"
#3
Posted 11 October 2007 - 06:28 AM
5/5+5*5=30
7+7*7-7/7 = 13
6*6*6/6/6/6 = 1
9*9+9/9-9 = 1
hope dats right ^^"
whoa
that was fast
#4
Posted 11 October 2007 - 06:32 AM
so wht is it actually for?? like a lil brain exercise or something?
#5
Posted 11 October 2007 - 06:56 AM
5_5_5_5 = 30
5/5+5*5 = 30
7_7_7_7_7 = 13
7*7-7/7+7 = 13
6_6_6_6_6_6 = 1
6*6/6*6/6/6 = 1
9_9_9_9_9 = 1
9-9*9+9/9 = 1
#6
Posted 11 October 2007 - 07:00 AM
5_5_5_5 = 30
5/5+5*5 = 30
7_7_7_7_7 = 13
7*7-7/7+7 = 13
6_6_6_6_6_6 = 1
6*6/6*6/6/6 = 1
9_9_9_9_9 = 1
9-9*9+9/9 = 1
wow...so there are different ways to get the same answer...amazing....
#7
Posted 11 October 2007 - 04:18 PM
#8
Posted 11 October 2007 - 08:55 PM
#11
Posted 12 October 2007 - 04:08 AM
is this hw?
why do u wna know?
just to make my brain work ^___^
but really..i got nosebleed because of this -________-
my "brother" won't tell me the
answer..
#12
Posted 12 October 2007 - 01:49 PM
i'm horrible in math
but wow i should try that question on someone so i can seem smart haha
#15
Posted 13 October 2007 - 07:14 PM
brackets, exponents, division/multiplication (whichever one comes first), adding/substracting (which ever one comes first).
omg. order of operations..
#16
Posted 14 October 2007 - 08:59 AM
5 x (5 + 5 / 5) = 30
(7 x ( 7 + 7) - 7) / 7 = 13
6 / 6 x 6 / 6 x 6 / 6 = 1
(9 x 9 + 9) / 9 - 9 = 1
you never said i couldn't use brackets
#18
Posted 14 October 2007 - 10:10 AM
1.) 5_5_5_5 = 30
2.) 7_7_7_7_7 = 13
3.) 6_6_6_6_6_6 = 1
4.) 9_9_9_9_9 = 1
help me answer them ^___^
Okeeyy! me turn!
1. ) ( 5/5 + 5 ) x5 = 30
2. ) (7 x ( 7 + 7) - 7) / 7 = 13
3. ) 6 / 6 x 6 / 6 x 6 / 6 = 1
4. ) (9 x 9 + 9) / 9 - 9 = 1
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#20
Posted 22 October 2007 - 02:04 PM
Homework right? they seem easy...but i'll give it a shot later..

























