expert Set 5 Form Exercise

Exercise 1

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

Exercise 2

OperationPair
add-sub
Triple
  • 3
  • 9
  • 12
Mode
write_all
Equations
  • {"text":"3 + 9 = 12","parts":[3,"+",9,"=",12]}
  • {"text":"9 + 3 = 12","parts":[9,"+",3,"=",12]}
  • {"text":"12 - 3 = 9","parts":[12,"-",3,"=",9]}
  • {"text":"12 - 9 = 3","parts":[12,"-",9,"=",3]}

Exercise 3

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 4

OperationPair
add-sub
Triple
  • 3
  • 7
  • 10
Mode
write_all
Equations
  • {"text":"3 + 7 = 10","parts":[3,"+",7,"=",10]}
  • {"text":"7 + 3 = 10","parts":[7,"+",3,"=",10]}
  • {"text":"10 - 3 = 7","parts":[10,"-",3,"=",7]}
  • {"text":"10 - 7 = 3","parts":[10,"-",7,"=",3]}

Exercise 5

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 6

OperationPair
add-sub
Triple
  • 6
  • 4
  • 10
Mode
write_all
Equations
  • {"text":"6 + 4 = 10","parts":[6,"+",4,"=",10]}
  • {"text":"4 + 6 = 10","parts":[4,"+",6,"=",10]}
  • {"text":"10 - 6 = 4","parts":[10,"-",6,"=",4]}
  • {"text":"10 - 4 = 6","parts":[10,"-",4,"=",6]}