Chapter 3
1. If then
3. bye
5. if num=1 then write yes
    End if
7.  
9. if num 1 = 1
    then display no
    else display …
11 =, <>, <,>, <=, =>
13 a true b false
15 a true b false c false
      17 a N (<= 0) b (N < 0) Or (N > 5)
      19 A a single if-then statement
      21 input num
           if num =1 display yes
           if num =2 display no
           if num =3 display maybe
      23 multiple alternative structure
      25 Write “Please input score”
	input score
	if score = 7,8,9,10
	then write “pass”
	Else if score =5, 6
	Write “retest”
	Else score <5
	Write “fail”	
      27 5 and not
      29 a 1 done b 2 done c 3 done
      31 If Grade <> “A” Then change to If grade = “A” then 
      33 D techniques that include all above points
      35 false
      37 a ¼ b The reciprocal of 0 is not defined
      39 If num 1, num2 > 0
	then set num 3= sqrt (num1)/num2