expert Set 2 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
  • 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
  • 9
  • 4
  • 13
Mode
write_all
Equations
  • {"text":"9 + 4 = 13","parts":[9,"+",4,"=",13]}
  • {"text":"4 + 9 = 13","parts":[4,"+",9,"=",13]}
  • {"text":"13 - 9 = 4","parts":[13,"-",9,"=",4]}
  • {"text":"13 - 4 = 9","parts":[13,"-",4,"=",9]}

Exercise 4

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 5

OperationPair
add-sub
Triple
  • 10
  • 6
  • 16
Mode
write_all
Equations
  • {"text":"10 + 6 = 16","parts":[10,"+",6,"=",16]}
  • {"text":"6 + 10 = 16","parts":[6,"+",10,"=",16]}
  • {"text":"16 - 10 = 6","parts":[16,"-",10,"=",6]}
  • {"text":"16 - 6 = 10","parts":[16,"-",6,"=",10]}

Exercise 6

OperationPair
add-sub
Triple
  • 9
  • 7
  • 16
Mode
write_all
Equations
  • {"text":"9 + 7 = 16","parts":[9,"+",7,"=",16]}
  • {"text":"7 + 9 = 16","parts":[7,"+",9,"=",16]}
  • {"text":"16 - 9 = 7","parts":[16,"-",9,"=",7]}
  • {"text":"16 - 7 = 9","parts":[16,"-",7,"=",9]}