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Mathematics, 22.08.2019 20:20 KittyLitty

Which of these examples is an error of addition by one?
a. 27,465 +52,534 = 79,899
b. 63,528 + 24,361 = 87,889
c. 51,824 + 48,165 = 99,989
d. 35,246 + 43,732 = 78,978

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Which of these examples is an error of addition by one?
a. 27,465 +52,534 = 79,899
b. 6...
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