expert Set 2 Form Exercise

Exercise 1

OperationPair
add-sub
Triple
  • 6
  • 9
  • 15
Mode
write_all
Equations
  • {"text":"6 + 9 = 15","parts":[6,"+",9,"=",15]}
  • {"text":"9 + 6 = 15","parts":[9,"+",6,"=",15]}
  • {"text":"15 - 6 = 9","parts":[15,"-",6,"=",9]}
  • {"text":"15 - 9 = 6","parts":[15,"-",9,"=",6]}

Exercise 2

OperationPair
add-sub
Triple
  • 9
  • 5
  • 14
Mode
write_all
Equations
  • {"text":"9 + 5 = 14","parts":[9,"+",5,"=",14]}
  • {"text":"5 + 9 = 14","parts":[5,"+",9,"=",14]}
  • {"text":"14 - 9 = 5","parts":[14,"-",9,"=",5]}
  • {"text":"14 - 5 = 9","parts":[14,"-",5,"=",9]}

Exercise 3

OperationPair
add-sub
Triple
  • 1
  • 5
  • 6
Mode
write_all
Equations
  • {"text":"1 + 5 = 6","parts":[1,"+",5,"=",6]}
  • {"text":"5 + 1 = 6","parts":[5,"+",1,"=",6]}
  • {"text":"6 - 1 = 5","parts":[6,"-",1,"=",5]}
  • {"text":"6 - 5 = 1","parts":[6,"-",5,"=",1]}

Exercise 4

OperationPair
add-sub
Triple
  • 1
  • 3
  • 4
Mode
write_all
Equations
  • {"text":"1 + 3 = 4","parts":[1,"+",3,"=",4]}
  • {"text":"3 + 1 = 4","parts":[3,"+",1,"=",4]}
  • {"text":"4 - 1 = 3","parts":[4,"-",1,"=",3]}
  • {"text":"4 - 3 = 1","parts":[4,"-",3,"=",1]}

Exercise 5

OperationPair
add-sub
Triple
  • 4
  • 2
  • 6
Mode
write_all
Equations
  • {"text":"4 + 2 = 6","parts":[4,"+",2,"=",6]}
  • {"text":"2 + 4 = 6","parts":[2,"+",4,"=",6]}
  • {"text":"6 - 4 = 2","parts":[6,"-",4,"=",2]}
  • {"text":"6 - 2 = 4","parts":[6,"-",2,"=",4]}

Exercise 6

OperationPair
add-sub
Triple
  • 2
  • 7
  • 9
Mode
write_all
Equations
  • {"text":"2 + 7 = 9","parts":[2,"+",7,"=",9]}
  • {"text":"7 + 2 = 9","parts":[7,"+",2,"=",9]}
  • {"text":"9 - 2 = 7","parts":[9,"-",2,"=",7]}
  • {"text":"9 - 7 = 2","parts":[9,"-",7,"=",2]}