8/13/2019 Chapter 3 Sets(4)_4B

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Name:___________ Teacher: WL Cheng Class : 4B

Lesson No.:9

Sekolah Menengah Seri Omega Date : 1!"!#9Time : 9."# $ 1#.%#

S&'(ect: Mathematics

Cha)ter:%

To)ic: Sets *4+

S&',to)ic: O)erations on Sets

3.3c Combined Operations on Sets

Notes:-

1. Combined operations in-ol-e 'oth the

intersection an union o/ sets an the

complement o/ sets.

". When consiering com'ine or mi0e

o)erations the /ollo2ing g&ielines are

im)ortant.

*a+ 3er/orm o)erations /rom left to right. *'+ / there are brackets,)er/orm o)erations

2ithin them /irst then )er/orm o)erations

/rom le/t to right.

50ercise %.%c

1. 6 s&r-e7 in-ol-ing 1## college st&entsre-eale that e-er7 st&ent o2ne either a

car a raio or 'oth. t 2as /o&n that 8#

o2ne cars an 4 o2ne raios.

*a+ Dra2 a enn iagram to ill&strate the a'o-e in/ormation.

*'+ ;o2 man7 st&ents o2ne 'oth a car an

a raio