text: 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 23+13? A: 2
  The following are multiple choice questions (with answers) about mathematics.
  
  Redefine π as 860 mod 50. Q: What is the first digit of π? A: 1
  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 4+28? A: 4
  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 7+49? A: 7
  The following are multiple choice questions (with answers) about mathematics.
  
  Redefine π as 412. Q: What is the first digit of π? A: 4
  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 9+9? A: