tag:blogger.com,1999:blog-8784538487783668007.post3060782787684042082..comments2024-02-27T05:48:58.685+00:00Comments on Web Optimisation, Maths and Puzzles: Numbers from 1,2,3,4 to 50David Leesehttp://www.blogger.com/profile/15375658779528098646noreply@blogger.comBlogger35125tag:blogger.com,1999:blog-8784538487783668007.post-20502924379860705022024-02-16T08:34:41.380+00:002024-02-16T08:34:41.380+00:00Yeah what for 17 and 50Yeah what for 17 and 50Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-72465974298315477632021-09-14T07:58:35.359+01:002021-09-14T07:58:35.359+01:00Failed
F-Failed<br />F-Anonymoushttps://www.blogger.com/profile/07559242360442631935noreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-26993680495815616922020-08-14T21:15:14.914+01:002020-08-14T21:15:14.914+01:00this is really strange for me as a year 6 in prima...this is really strange for me as a year 6 in primary school (im in australia)<br />I got assigned this task but it was in a much simpler form, and seeing some of the answers makes me think "am i going to learn this in high school?" <br /><br />Everyone, keep up the insane maths skills here!Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-7732433898785811802020-04-23T21:25:55.575+01:002020-04-23T21:25:55.575+01:00Amendment to challenge ... try it using the digits...Amendment to challenge ... try it using the digits 1 to 4 in order. Can anyone do 38?Ianhttps://www.blogger.com/profile/03787827695929078014noreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-44862547513521584862019-03-25T20:07:06.273+00:002019-03-25T20:07:06.273+00:00Hi there could you explain the notations above? I&...Hi there could you explain the notations above? I'm trying to check my 9yr olds homework and 43 is the only one he can't get unless using powers(which they haven't taught him yet)<br />Would 4^3 -21 be a correct notation? (4power3 -21)<br />Many thanks Mcwolfie69https://www.blogger.com/profile/03673139233240458014noreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-45610865729770402082019-01-14T02:13:24.612+00:002019-01-14T02:13:24.612+00:00How can I get 99 only using the numbers 2,4,7 and ...How can I get 99 only using the numbers 2,4,7 and 8Anonymoushttps://www.blogger.com/profile/14383689003223803995noreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-57509270181544347222019-01-10T02:25:11.717+00:002019-01-10T02:25:11.717+00:00Theres something like the juxtapose which you can ...Theres something like the juxtapose which you can use to add the number together <br />Anonymoushttps://www.blogger.com/profile/06407513551380443069noreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-15174298398612268212018-08-29T04:22:06.595+01:002018-08-29T04:22:06.595+01:00How I can find the numbers 34,38 and 39 with just ...How I can find the numbers 34,38 and 39 with just 1,2,3,4Anonymoushttps://www.blogger.com/profile/00808084238301649732noreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-36905242215352875282018-07-19T14:44:33.200+01:002018-07-19T14:44:33.200+01:00How about not using combined numbers (two digits l...How about not using combined numbers (two digits like 12, 42, ...)<br />My daughter is trying to make 1-50 following that rule, and she has 7 numbers to goAverellhttps://www.blogger.com/profile/04581471894534608238noreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-59998029492286409762018-06-22T06:49:03.317+01:002018-06-22T06:49:03.317+01:00<a href=" https://puzzlefry.com>how man...<a href=" https://puzzlefry.com>how many seconds in a year </a>PuzzleFry is the hub for interview puzzles, brain teasers, logic puzzles, brain games, riddles, Logical Questions, Math and Number Puzzles and quizzes.<br />Anonymoushttps://www.blogger.com/profile/09328209520083808561noreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-83041354652229871932018-06-08T05:45:44.438+01:002018-06-08T05:45:44.438+01:00can you do them all, just with no division?can you do them all, just with no division?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-50728511818269381102018-02-08T03:33:41.537+00:002018-02-08T03:33:41.537+00:00Could anyone help?
I have numbers: 10, 4, 8, 9. Ho...Could anyone help?<br />I have numbers: 10, 4, 8, 9. How to make: 19, 20, 27, 35, 37, 43, 47, 48?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-86641137934216911422017-10-21T06:34:21.036+01:002017-10-21T06:34:21.036+01:00(6*(5+1))-2 = 36-2= 34(6*(5+1))-2 = 36-2= 34David Leesehttp://davechessgames.blogspot.co.uknoreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-7832987839342242322017-10-21T03:50:09.446+01:002017-10-21T03:50:09.446+01:00How to make 34 using 1,2,5,6 using all digits only...How to make 34 using 1,2,5,6 using all digits only once? Thanks in advance.Srilahttps://www.blogger.com/profile/05775554054593724599noreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-56054362492640728592017-06-09T15:14:16.258+01:002017-06-09T15:14:16.258+01:00(4*1) = 4
4 + 3 = 7
7^2 = 49
Hence ((4*1)+3)^2 = 4...(4*1) = 4<br />4 + 3 = 7<br />7^2 = 49<br />Hence ((4*1)+3)^2 = 49David Leesehttps://www.blogger.com/profile/15375658779528098646noreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-27040143638340382162017-06-09T15:10:30.161+01:002017-06-09T15:10:30.161+01:00how to get 91 using only values of 1,2,3,4 and pem...how to get 91 using only values of 1,2,3,4 and pemdasAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-70257472486282542252017-05-12T03:37:32.855+01:002017-05-12T03:37:32.855+01:00The 49th problem doesn't look quite right. It&...The 49th problem doesn't look quite right. It's somewhat off from the actual answer.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-45085809733357018522017-05-12T00:47:52.665+01:002017-05-12T00:47:52.665+01:00This is a great improvement! Thanks for responding...This is a great improvement! Thanks for respondingAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-39611545772649878252017-05-11T10:39:29.836+01:002017-05-11T10:39:29.836+01:00You're right: in the interests of simplicity, ...You're right: in the interests of simplicity, how about 4* (3+(2-1)) as an improvement?David Leesehttps://www.blogger.com/profile/15375658779528098646noreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-11876898371186590492017-05-11T06:53:14.156+01:002017-05-11T06:53:14.156+01:00The 16th problem is a little convoluted. Thanks fo...The 16th problem is a little convoluted. Thanks for making thisAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-76288800376110025822017-02-12T02:55:13.917+00:002017-02-12T02:55:13.917+00:0043 doesn't look quite right. How about 4 / .1...43 doesn't look quite right. How about 4 / .1 + 3! / 2<br />Hopefully I didn't double postAnonymoushttps://www.blogger.com/profile/05821886277879530515noreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-77866394794210731802016-10-29T02:46:18.655+01:002016-10-29T02:46:18.655+01:00https://docs.google.com/spreadsheets/d/167DUN-2R1p...https://docs.google.com/spreadsheets/d/167DUN-2R1petAI2oYYV6BFDpNaBJzGwmktF1n1bs4rw/edit?usp=sharingAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-87780485073105324742016-10-29T02:42:01.705+01:002016-10-29T02:42:01.705+01:00Can you help me with a spreadsheet I am making?
I ...Can you help me with a spreadsheet I am making?<br />I am doing it without combining numbers. Can't find one for 34 :/<br />You can use factorial, exponents, and the four basic ones. No decimals or combining numbers.<br />The spreadsheet is here, if you want to see it:<br />https://docs.google.com/a/coronadousd.org/spreadsheets/d/167DUN-2R1petAI2oYYV6BFDpNaBJzGwmktF1n1bs4rw/edit?usp=sharingAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-44475242765448167032016-10-14T19:05:08.536+01:002016-10-14T19:05:08.536+01:00 I got less than 0.25 away from 12.75 , but suppos... I got less than 0.25 away from 12.75 , but supposedly there is a way to get 12.75<br />factorials and square roots are allowed, just wonder if there are other math symbols/operations that can be used to increase/decrease result<br />Thanks for responding:)it will be a long weekend with math lol<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8784538487783668007.post-72217077930375537952016-10-14T16:06:41.695+01:002016-10-14T16:06:41.695+01:00Can't combine digits? According to whose rule...Can't combine digits? According to whose rules? <br /><br />If you can't combine digits, and have only 1, 2, 3 and 4 then I think you're going to struggle.<br /><br />The closest I can get, which I don't think you'll approve of either, is (4 + 1/2) * 3 = 13.5.David Leesehttps://www.blogger.com/profile/15375658779528098646noreply@blogger.com