hard Set 5 Form Exercise

Exercise 1

OperationPair
add-sub
Triple
  • 10
  • 1
  • 11
Mode
write_all
Equations
  • {"text":"10 + 1 = 11","parts":[10,"+",1,"=",11]}
  • {"text":"1 + 10 = 11","parts":[1,"+",10,"=",11]}
  • {"text":"11 - 10 = 1","parts":[11,"-",10,"=",1]}
  • {"text":"11 - 1 = 10","parts":[11,"-",1,"=",10]}

Exercise 2

OperationPair
add-sub
Triple
  • 9
  • 2
  • 11
Mode
write_all
Equations
  • {"text":"9 + 2 = 11","parts":[9,"+",2,"=",11]}
  • {"text":"2 + 9 = 11","parts":[2,"+",9,"=",11]}
  • {"text":"11 - 9 = 2","parts":[11,"-",9,"=",2]}
  • {"text":"11 - 2 = 9","parts":[11,"-",2,"=",9]}

Exercise 3

OperationPair
add-sub
Triple
  • 4
  • 9
  • 13
Mode
write_all
Equations
  • {"text":"4 + 9 = 13","parts":[4,"+",9,"=",13]}
  • {"text":"9 + 4 = 13","parts":[9,"+",4,"=",13]}
  • {"text":"13 - 4 = 9","parts":[13,"-",4,"=",9]}
  • {"text":"13 - 9 = 4","parts":[13,"-",9,"=",4]}

Exercise 4

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 5

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

Exercise 6

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