If 2 is denoted by '[', 4 is denoted by '=' , 9 is denoted by '-' and 0 is denoted by '+', what is '=[-+'?
=[-+ will be written as 4290
121, 240, 386, 555, 751, 976
38, 54, 73, 95, 135, 196
124, 186, 375, 930, 2790, 9765
5000, 4500, 3600, 2480, 1512, 756
134, 159, 186, 215, 266, 279
10 3 7 6 40 310
...48, 112, 144, 192, 310, 732
5, 6, 8, 16, 38, 158
16 18 25 52 116 241 457
20.5, 30, 40.5, 53, 64.5, 78
