Question

my project is to complete the October calendar, using the following variables in algebric expression to represent each day in the month. Each expression must include all four variable using each variable exactly one.

a=1
b=2
c=3
d=4

Answer 1

1- (4+2)/3-1
2- (4+1)-3*1
3- (4+2)-3*1
4- (4+3)-1-2
5- (4+3)-2*1
6- (4*3)/2*1
7- (4/2)*3+1
8- (2+3)+4-1
9- (2+3)+4*1
10-(4*3)-2*1
11-(4*2)+3*1
12- (4+2)+3+1
13- (4*3)+2-1
14- (4*3)+2*1\
15- (4*3)+2+1
16- (4+3)+1*2
17- (4+1)*3+2
18- (4+2)*1*3
19- (4+2)*3+1
20- (NO ANSWER)
21- (4+3)*(2+1)
22- (NO ANSWER)
23- (4*3)*2-1
24- (4*3)*2*1
25- (4*2)*3+1
26- (NO ANSWER)
27- (4*2)+1*3
28- (2+3)+1*4
29- (NO ANSWER)
30- (4+1)*2*3
31- (NO ANSWER)