mersenneforum.org  

Go Back   mersenneforum.org > Fun Stuff > Puzzles

Reply
 
Thread Tools
Old 2019-01-14, 14:51   #56
henryzz
Just call me Henry
 
henryzz's Avatar
 
"David"
Sep 2007
Cambridge (GMT/BST)

2×2,909 Posts
Default

103=(8+2)*(5+8+9-9-3)+3
104=-8+(2*5)+(8*9)+(9*3)+3

Last fiddled with by henryzz on 2019-01-14 at 14:53
henryzz is online now   Reply With Quote
Old 2019-01-14, 15:25   #57
retina
Undefined
 
retina's Avatar
 
"The unspeakable one"
Jun 2006
My evil lair

6,079 Posts
Default

666 = (8×2×5−8)×9+9+3×3
retina is online now   Reply With Quote
Old 2019-01-14, 15:45   #58
henryzz
Just call me Henry
 
henryzz's Avatar
 
"David"
Sep 2007
Cambridge (GMT/BST)

2·2,909 Posts
Default

105=8+2+5*(8+9+(9-3)/3)
henryzz is online now   Reply With Quote
Old 2019-01-16, 10:52   #59
henryzz
Just call me Henry
 
henryzz's Avatar
 
"David"
Sep 2007
Cambridge (GMT/BST)

132728 Posts
Default

I have added a list of the known solutions to the first post. Now that we have this list feel free to post out of order if you can't solve the next one.
henryzz is online now   Reply With Quote
Old 2019-01-16, 11:08   #60
axn
 
axn's Avatar
 
Jun 2003

23×607 Posts
Default

106=8-2+5+8+9*9+3+3
axn is offline   Reply With Quote
Old 2019-01-16, 13:39   #61
retina
Undefined
 
retina's Avatar
 
"The unspeakable one"
Jun 2006
My evil lair

6,079 Posts
Default

107 = 8+(2×5−8+9)×9−3+3
retina is online now   Reply With Quote
Old 2019-01-16, 13:48   #62
unconnected
 
unconnected's Avatar
 
May 2009
Russia, Moscow

9E916 Posts
Default

108=8+2*5+8+9*9+3/3
109=8*2-5+8+9*9+3*3
110=8*2+5+8+9*9+3-3

Last fiddled with by unconnected on 2019-01-16 at 13:49
unconnected is offline   Reply With Quote
Old 2019-01-16, 13:59   #63
henryzz
Just call me Henry
 
henryzz's Avatar
 
"David"
Sep 2007
Cambridge (GMT/BST)

16BA16 Posts
Default

110=8+2+5*(8+9+9-3-3)
111=8-2+5*(8+9+(9+3)/3)
112=-8+2+5*(8+9+9-3)+3
113=8+2+5*(8+9+9/3)+3
114=-8/2+5*(8+9+9-3)+3
115=8+2+5*(8+9+(9+3)/3)
116=8*2+5*(8+9+9-3-3)
henryzz is online now   Reply With Quote
Old 2019-01-16, 14:43   #64
retina
Undefined
 
retina's Avatar
 
"The unspeakable one"
Jun 2006
My evil lair

17BF16 Posts
Default

666 = (1-3+9*8-2+6)*9
666 = 2*9*(7*6-2-2-1)
666 = 3021377 ??
666 = 6*((9+7)*2+5)*9/3
666 = ((1-(3*4+6))*6-9)*(1-7)
666 = 20996011 ??
666 = 2*(4*0+3+6)*(5*8-3)
666 = 2*((5+9)*6*4-9+5+1)
666 = 30402457 ??
666 = (3+2*5*8)*(2+6)-5+7
666 = 3*7*1*5*6-6+6*7
666 = (4-2+6*4*3)*(8+0+1)
666 = 43112609 ??
666 = (5*(7+8+8)-5+1)*6*1
666 = (7*4+2+0+7)*2*(8+1)
666 = (7*(7+2)-3)*(2+9)-1+7
666 = (8*(2*5+8+9)+9-3)*3
retina is online now   Reply With Quote
Old 2019-01-17, 03:29   #65
retina
Undefined
 
retina's Avatar
 
"The unspeakable one"
Jun 2006
My evil lair

6,079 Posts
Default From the times before GIMPS

666 = (7+5*(6+8)-3)*9
666 = 859433 ??
666 = 1-(2*5-7*(7+8))*7
retina is online now   Reply With Quote
Old 2019-01-17, 04:21   #66
retina
Undefined
 
retina's Avatar
 
"The unspeakable one"
Jun 2006
My evil lair

607910 Posts
Default Tricky

666 = ((4*3+1/(1+2))*6+0)*9
retina is online now   Reply With Quote
Reply

Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
Antipodean arithmetic ewmayer Science & Technology 34 2015-10-03 01:31
Some arithmetic... science_man_88 science_man_88 11 2014-07-30 22:53
modular arithmetic science_man_88 Miscellaneous Math 42 2011-07-26 02:02
Simple Arithmetic! mfgoode Puzzles 82 2007-05-02 08:13
Check my arithmetic R.D. Silverman Factoring 3 2006-06-05 23:49

All times are UTC. The time now is 09:39.

Wed Mar 3 09:39:06 UTC 2021 up 90 days, 5:50, 0 users, load averages: 1.51, 1.85, 2.06

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.