hard Set 6 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
  • 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 3

OperationPair
add-sub
Triple
  • 8
  • 5
  • 13
Mode
write_all
Equations
  • {"text":"8 + 5 = 13","parts":[8,"+",5,"=",13]}
  • {"text":"5 + 8 = 13","parts":[5,"+",8,"=",13]}
  • {"text":"13 - 8 = 5","parts":[13,"-",8,"=",5]}
  • {"text":"13 - 5 = 8","parts":[13,"-",5,"=",8]}

Exercise 4

OperationPair
add-sub
Triple
  • 7
  • 8
  • 15
Mode
write_all
Equations
  • {"text":"7 + 8 = 15","parts":[7,"+",8,"=",15]}
  • {"text":"8 + 7 = 15","parts":[8,"+",7,"=",15]}
  • {"text":"15 - 7 = 8","parts":[15,"-",7,"=",8]}
  • {"text":"15 - 8 = 7","parts":[15,"-",8,"=",7]}

Exercise 5

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

Exercise 6

OperationPair
add-sub
Triple
  • 3
  • 6
  • 9
Mode
write_all
Equations
  • {"text":"3 + 6 = 9","parts":[3,"+",6,"=",9]}
  • {"text":"6 + 3 = 9","parts":[6,"+",3,"=",9]}
  • {"text":"9 - 3 = 6","parts":[9,"-",3,"=",6]}
  • {"text":"9 - 6 = 3","parts":[9,"-",6,"=",3]}