
30 Dec
2010
30 Dec
'10
7:37 p.m.
as illustrated by Collins, you do not assume the rules just coz there are no brackets. therefore (22+32)-(21+15+5)=13 On 12/30/10, Erick Njenga <eriknjenga@gmail.com> wrote:
(22+32) - (21+15+5)
I don't think this is correct. It should be:
(22+32) -21 +(15+5) = 54 - 21 + 1 = 53 or (22+32)+(-21+15+5) = 54 + (-1) = 53
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