hard Set 1 Form Exercise

Exercise 1

OperationPair
add-sub
Triple
  • 8
  • 4
  • 12
Mode
write_all
Equations
  • {"text":"8 + 4 = 12","parts":[8,"+",4,"=",12]}
  • {"text":"4 + 8 = 12","parts":[4,"+",8,"=",12]}
  • {"text":"12 - 8 = 4","parts":[12,"-",8,"=",4]}
  • {"text":"12 - 4 = 8","parts":[12,"-",4,"=",8]}

Exercise 2

OperationPair
add-sub
Triple
  • 8
  • 3
  • 11
Mode
write_all
Equations
  • {"text":"8 + 3 = 11","parts":[8,"+",3,"=",11]}
  • {"text":"3 + 8 = 11","parts":[3,"+",8,"=",11]}
  • {"text":"11 - 8 = 3","parts":[11,"-",8,"=",3]}
  • {"text":"11 - 3 = 8","parts":[11,"-",3,"=",8]}

Exercise 3

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

Exercise 4

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 5

OperationPair
add-sub
Triple
  • 10
  • 2
  • 12
Mode
write_all
Equations
  • {"text":"10 + 2 = 12","parts":[10,"+",2,"=",12]}
  • {"text":"2 + 10 = 12","parts":[2,"+",10,"=",12]}
  • {"text":"12 - 10 = 2","parts":[12,"-",10,"=",2]}
  • {"text":"12 - 2 = 10","parts":[12,"-",2,"=",10]}

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]}