expert Set 8 Form Exercise

Exercise 1

OperationPair
add-sub
Triple
  • 2
  • 8
  • 10
Mode
write_all
Equations
  • {"text":"2 + 8 = 10","parts":[2,"+",8,"=",10]}
  • {"text":"8 + 2 = 10","parts":[8,"+",2,"=",10]}
  • {"text":"10 - 2 = 8","parts":[10,"-",2,"=",8]}
  • {"text":"10 - 8 = 2","parts":[10,"-",8,"=",2]}

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
  • 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 4

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

Exercise 5

OperationPair
add-sub
Triple
  • 1
  • 6
  • 7
Mode
write_all
Equations
  • {"text":"1 + 6 = 7","parts":[1,"+",6,"=",7]}
  • {"text":"6 + 1 = 7","parts":[6,"+",1,"=",7]}
  • {"text":"7 - 1 = 6","parts":[7,"-",1,"=",6]}
  • {"text":"7 - 6 = 1","parts":[7,"-",6,"=",1]}

Exercise 6

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