medium Set 2 Form Exercise

Exercise 1

OperationPair
add-sub
Triple
  • 7
  • 1
  • 8
Mode
write_all
Equations
  • {"text":"7 + 1 = 8","parts":[7,"+",1,"=",8]}
  • {"text":"1 + 7 = 8","parts":[1,"+",7,"=",8]}
  • {"text":"8 - 7 = 1","parts":[8,"-",7,"=",1]}
  • {"text":"8 - 1 = 7","parts":[8,"-",1,"=",7]}

Exercise 2

OperationPair
add-sub
Triple
  • 10
  • 9
  • 19
Mode
write_all
Equations
  • {"text":"10 + 9 = 19","parts":[10,"+",9,"=",19]}
  • {"text":"9 + 10 = 19","parts":[9,"+",10,"=",19]}
  • {"text":"19 - 10 = 9","parts":[19,"-",10,"=",9]}
  • {"text":"19 - 9 = 10","parts":[19,"-",9,"=",10]}

Exercise 3

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 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
  • 10
  • 9
  • 19
Mode
write_all
Equations
  • {"text":"10 + 9 = 19","parts":[10,"+",9,"=",19]}
  • {"text":"9 + 10 = 19","parts":[9,"+",10,"=",19]}
  • {"text":"19 - 10 = 9","parts":[19,"-",10,"=",9]}
  • {"text":"19 - 9 = 10","parts":[19,"-",9,"=",10]}

Exercise 6

OperationPair
add-sub
Triple
  • 9
  • 6
  • 15
Mode
write_all
Equations
  • {"text":"9 + 6 = 15","parts":[9,"+",6,"=",15]}
  • {"text":"6 + 9 = 15","parts":[6,"+",9,"=",15]}
  • {"text":"15 - 9 = 6","parts":[15,"-",9,"=",6]}
  • {"text":"15 - 6 = 9","parts":[15,"-",6,"=",9]}