hard Set 1 Form Exercise

Exercise 1

OperationPair
add-sub
Triple
  • 1
  • 4
  • 5
Mode
write_all
Equations
  • {"text":"1 + 4 = 5","parts":[1,"+",4,"=",5]}
  • {"text":"4 + 1 = 5","parts":[4,"+",1,"=",5]}
  • {"text":"5 - 1 = 4","parts":[5,"-",1,"=",4]}
  • {"text":"5 - 4 = 1","parts":[5,"-",4,"=",1]}

Exercise 2

OperationPair
add-sub
Triple
  • 3
  • 10
  • 13
Mode
write_all
Equations
  • {"text":"3 + 10 = 13","parts":[3,"+",10,"=",13]}
  • {"text":"10 + 3 = 13","parts":[10,"+",3,"=",13]}
  • {"text":"13 - 3 = 10","parts":[13,"-",3,"=",10]}
  • {"text":"13 - 10 = 3","parts":[13,"-",10,"=",3]}

Exercise 3

OperationPair
add-sub
Triple
  • 2
  • 1
  • 3
Mode
write_all
Equations
  • {"text":"2 + 1 = 3","parts":[2,"+",1,"=",3]}
  • {"text":"1 + 2 = 3","parts":[1,"+",2,"=",3]}
  • {"text":"3 - 2 = 1","parts":[3,"-",2,"=",1]}
  • {"text":"3 - 1 = 2","parts":[3,"-",1,"=",2]}

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
  • 5
  • 7
  • 12
Mode
write_all
Equations
  • {"text":"5 + 7 = 12","parts":[5,"+",7,"=",12]}
  • {"text":"7 + 5 = 12","parts":[7,"+",5,"=",12]}
  • {"text":"12 - 5 = 7","parts":[12,"-",5,"=",7]}
  • {"text":"12 - 7 = 5","parts":[12,"-",7,"=",5]}

Exercise 6

OperationPair
add-sub
Triple
  • 9
  • 1
  • 10
Mode
write_all
Equations
  • {"text":"9 + 1 = 10","parts":[9,"+",1,"=",10]}
  • {"text":"1 + 9 = 10","parts":[1,"+",9,"=",10]}
  • {"text":"10 - 9 = 1","parts":[10,"-",9,"=",1]}
  • {"text":"10 - 1 = 9","parts":[10,"-",1,"=",9]}