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29.07.2019 •
Mathematics
If x = 30, what does 55 + x - 27 equal?
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Ответ:
58
Step-by-step explanation:
Put 30 where x is in the expression and do the arithmetic.
55 + 30 - 27 = 85 - 27 = 58
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It can be advantageous to use the associative property of addition to evaluate the expression as ...
55 + (30 -27) = 55 +3 = 58
Ответ:
aightbet
Step-by-step explanation: