11 + 4.2 = 15.2
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8
The expression for this type of problem is 6 + (42 / 21). Then, evaluate that by the order of operations to obtain: 6 + 2 = 8
It's the sum of 42 and 13 which is 55.
The numbers are -12, -11, -10, and -9.
37 + 5 31 + 11