text: The following are multiple choice questions (with answers) about mathematics.
  
  View + as a random digit instead of a mathematical operation. Q: What is the first digit of 15+19? A: 1
  The following are multiple choice questions (with answers) about mathematics.
  
  View number as text. Do not perform computation. Q: What is the first digit of 9+75? A: 9
  The following are multiple choice questions (with answers) about mathematics.
  
  View number as text. Do not perform computation. Q: What is the first digit of 74+7? A: 7
  The following are multiple choice questions (with answers) about mathematics.
  
  View + as a random digit instead of a mathematical operation. Q: What is the first digit of 5+33? A: 5
  The following are multiple choice questions (with answers) about mathematics.
  
  Redefine e as 29+29. Q: What is the first digit of e? A: 5
  The following are multiple choice questions (with answers) about mathematics.
  
  View number as text. Do not perform computation. Q: What is the first digit of 47+28? A: