回答編集履歴
1
" -> '
test
CHANGED
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@@ -32,7 +32,7 @@
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32
32
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n = 10 # example
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-
puts (1..n).to_a.tap { |arr| print arr.join(' + ').concat(
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+
puts (1..n).to_a.tap { |arr| print arr.join(' + ').concat(' = ') }.sum
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# 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 = 55
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