Math score, 24 and 3 of 11-15 + 6 and 6 of 1 To calculate the process

Math score, 24 and 3 of 11-15 + 6 and 6 of 1 To calculate the process

Original formula = 83 / 3 + 37 / 6-15
=(166+37)/6-15
=203/6-90/6
=113/6
=Eight and five sixths
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