tag:blogger.com,1999:blog-4842187163823581362012-02-14T12:01:25.960+08:00In this activity, you will experience what a "group blog" is... when more than one person is given the right to post in a blog.Anonymousnoreply@blogger.comBlogger101100tag:blogger.com,1999:blog-484218716382358136.post-84999573459824374012007-07-25T22:27:00.000+08:002007-07-31T06:24:46.430+08:00<p>You have been invited to be one of the co-editors of this blog.Remember to sign in... </p><p>Enter your response to the question as a Post (not under comments).</p><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/484218716382358136-8499957345982437401?l=blogmaths2007-activity8.blogspot.com' alt='' /></div>ETD Maths Teamnoreply@blogger.com0tag:blogger.com,1999:blog-484218716382358136.post-32549031286699990762007-07-25T20:33:00.000+08:002007-07-25T20:34:20.131+08:00Only 2 is a prime number.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/484218716382358136-3254903128669999076?l=blogmaths2007-activity8.blogspot.com' alt='' /></div>THHnoreply@blogger.com2tag:blogger.com,1999:blog-484218716382358136.post-40624079686536967712007-07-25T16:47:00.000+08:002007-07-25T16:50:54.878+08:00If you see the pattern differently .....<br /><br />2, 4, 8 and 16 form a G.P. in which 20 will not fit in. Of course, I am trying to think in different ways !!!!<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/484218716382358136-4062407968653696771?l=blogmaths2007-activity8.blogspot.com' alt='' /></div>Bala's BlogHomehttp://www.blogger.com/profile/15713430744141783505noreply@blogger.com0tag:blogger.com,1999:blog-484218716382358136.post-50737800403157063822007-07-25T16:46:00.000+08:002007-07-25T16:54:04.172+08:00<span style="color:#cc33cc;"><strong>I see it as <span style="font-size:130%;color:#6600cc;">20</span> being the odd one out. The rest of the numbers are 2^n.</strong></span><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/484218716382358136-5073780040315706382?l=blogmaths2007-activity8.blogspot.com' alt='' /></div>Where Maths Rocksnoreply@blogger.com0tag:blogger.com,1999:blog-484218716382358136.post-84714504922745371942007-07-25T16:43:00.000+08:002007-07-25T16:45:11.672+08:002 will be the odd one out if we consider the numbers as multiples of 4.<br />But 20 will be the odd out out if we consider the numbers as powers of 2.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/484218716382358136-8471450492274537194?l=blogmaths2007-activity8.blogspot.com' alt='' /></div>Fun Mathshttp://www.blogger.com/profile/05938013150111178311noreply@blogger.com0tag:blogger.com,1999:blog-484218716382358136.post-77737208818805411102007-07-25T16:41:00.000+08:002007-07-25T16:43:28.504+08:0020 is the odd number that should be out of this pattern / group. You know why? It is very simple : all other numbers ( 2, 4, 8, 16 ) can be expressed as powers of 2 except 20 !<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/484218716382358136-7773720881880541110?l=blogmaths2007-activity8.blogspot.com' alt='' /></div>Bala's BlogHomehttp://www.blogger.com/profile/15713430744141783505noreply@blogger.com0tag:blogger.com,1999:blog-484218716382358136.post-28287020257706018752007-07-25T16:35:00.001+08:002007-07-25T16:35:50.156+08:00The number 2 is not a multiple of 4 unlike the rest.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/484218716382358136-2828702025770601875?l=blogmaths2007-activity8.blogspot.com' alt='' /></div>Mdm Chenghttp://www.blogger.com/profile/02117921718571352111noreply@blogger.com1tag:blogger.com,1999:blog-484218716382358136.post-67862653290180707652007-07-25T16:32:00.000+08:002007-07-25T16:49:47.001+08:00If given that a² + b² = 24, and 2ab=12, find the answer to (a - b)^2<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/484218716382358136-6786265329018070765?l=blogmaths2007-activity8.blogspot.com' alt='' /></div>Ka~菲自由noreply@blogger.com2tag:blogger.com,1999:blog-484218716382358136.post-22214165779370505222007-07-25T16:30:00.000+08:002007-07-25T16:33:55.050+08:002 should be out as the rest are multiples of 4.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/484218716382358136-2221416577937050522?l=blogmaths2007-activity8.blogspot.com' alt='' /></div>Jamayhttp://www.blogger.com/profile/00646693396113716966noreply@blogger.com4tag:blogger.com,1999:blog-484218716382358136.post-26840204481633180982007-07-25T16:29:00.000+08:002007-07-25T16:30:21.588+08:00<span style="font-family:arial;">Its 2.</span><br /><span style="font-family:Arial;"></span><br /><span style="font-family:Arial;">The other numbers are all multiples of 4.</span><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/484218716382358136-2684020448163318098?l=blogmaths2007-activity8.blogspot.com' alt='' /></div>Mrs Tanhttp://www.blogger.com/profile/09636309687801869796noreply@blogger.com0