dinhhuydh · December 11, 2017 22:58
diff --git a/ruby_exercise_4.rb b/ruby_exercise_4.rb
 # 1 Print square of number from 1 to n
 # eg1: squares(3) => [1, 4, 9]

 # 2: Print all numbers with 3 digits have two '1' digits like 112, 131

 # 3. Calculate sum of digits in the numbers
 # eg1: [12, 4, 154] => [3, 4, 10]

 # 4. Transform a number to simple word of digits
 # eg1: 12 => one two
 # eg2: 498 => four nine eight
	# 1 Print square of number from 1 to n
	# eg1: squares(3) => [1, 4, 9]

	# 2: Print all numbers with 3 digits have two '1' digits like 112, 131

	# 3. Calculate sum of digits in the numbers
	# eg1: [12, 4, 154] => [3, 4, 10]

	# 4. Transform a number to simple word of digits
	# eg1: 12 => one two
	# eg2: 498 => four nine eight