hard Set 2 Form Exercise

Exercise 1

OperationPair
add-sub
Triple
  • 9
  • 3
  • 12
Mode
write_all
Equations
  • {"text":"9 + 3 = 12","parts":[9,"+",3,"=",12]}
  • {"text":"3 + 9 = 12","parts":[3,"+",9,"=",12]}
  • {"text":"12 - 9 = 3","parts":[12,"-",9,"=",3]}
  • {"text":"12 - 3 = 9","parts":[12,"-",3,"=",9]}

Exercise 2

OperationPair
add-sub
Triple
  • 10
  • 8
  • 18
Mode
write_all
Equations
  • {"text":"10 + 8 = 18","parts":[10,"+",8,"=",18]}
  • {"text":"8 + 10 = 18","parts":[8,"+",10,"=",18]}
  • {"text":"18 - 10 = 8","parts":[18,"-",10,"=",8]}
  • {"text":"18 - 8 = 10","parts":[18,"-",8,"=",10]}

Exercise 3

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 4

OperationPair
add-sub
Triple
  • 4
  • 5
  • 9
Mode
write_all
Equations
  • {"text":"4 + 5 = 9","parts":[4,"+",5,"=",9]}
  • {"text":"5 + 4 = 9","parts":[5,"+",4,"=",9]}
  • {"text":"9 - 4 = 5","parts":[9,"-",4,"=",5]}
  • {"text":"9 - 5 = 4","parts":[9,"-",5,"=",4]}

Exercise 5

OperationPair
add-sub
Triple
  • 6
  • 7
  • 13
Mode
write_all
Equations
  • {"text":"6 + 7 = 13","parts":[6,"+",7,"=",13]}
  • {"text":"7 + 6 = 13","parts":[7,"+",6,"=",13]}
  • {"text":"13 - 6 = 7","parts":[13,"-",6,"=",7]}
  • {"text":"13 - 7 = 6","parts":[13,"-",7,"=",6]}

Exercise 6

OperationPair
add-sub
Triple
  • 8
  • 6
  • 14
Mode
write_all
Equations
  • {"text":"8 + 6 = 14","parts":[8,"+",6,"=",14]}
  • {"text":"6 + 8 = 14","parts":[6,"+",8,"=",14]}
  • {"text":"14 - 8 = 6","parts":[14,"-",8,"=",6]}
  • {"text":"14 - 6 = 8","parts":[14,"-",6,"=",8]}