Apple557
Apple557
15.06.2021 • 
Mathematics

13 What is the value of the expression 212n?
12(3 + 13) = 192
12(3+ 4+ 5+ ... + 12 + 13) = 1,056
12(1 + 2+ 3+ ... + 12 + 13) = 1,092
12(3) . 12(13) = 5,616

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