hard Set 8 Form Exercise

Exercise 1

OperationPair
add-sub
Triple
  • 7
  • 4
  • 11
Mode
write_all
Equations
  • {"text":"7 + 4 = 11","parts":[7,"+",4,"=",11]}
  • {"text":"4 + 7 = 11","parts":[4,"+",7,"=",11]}
  • {"text":"11 - 7 = 4","parts":[11,"-",7,"=",4]}
  • {"text":"11 - 4 = 7","parts":[11,"-",4,"=",7]}

Exercise 2

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 3

OperationPair
add-sub
Triple
  • 6
  • 5
  • 11
Mode
write_all
Equations
  • {"text":"6 + 5 = 11","parts":[6,"+",5,"=",11]}
  • {"text":"5 + 6 = 11","parts":[5,"+",6,"=",11]}
  • {"text":"11 - 6 = 5","parts":[11,"-",6,"=",5]}
  • {"text":"11 - 5 = 6","parts":[11,"-",5,"=",6]}

Exercise 4

OperationPair
add-sub
Triple
  • 1
  • 8
  • 9
Mode
write_all
Equations
  • {"text":"1 + 8 = 9","parts":[1,"+",8,"=",9]}
  • {"text":"8 + 1 = 9","parts":[8,"+",1,"=",9]}
  • {"text":"9 - 1 = 8","parts":[9,"-",1,"=",8]}
  • {"text":"9 - 8 = 1","parts":[9,"-",8,"=",1]}

Exercise 5

OperationPair
add-sub
Triple
  • 3
  • 4
  • 7
Mode
write_all
Equations
  • {"text":"3 + 4 = 7","parts":[3,"+",4,"=",7]}
  • {"text":"4 + 3 = 7","parts":[4,"+",3,"=",7]}
  • {"text":"7 - 3 = 4","parts":[7,"-",3,"=",4]}
  • {"text":"7 - 4 = 3","parts":[7,"-",4,"=",3]}

Exercise 6

OperationPair
add-sub
Triple
  • 10
  • 10
  • 20
Mode
write_all
Equations
  • {"text":"10 + 10 = 20","parts":[10,"+",10,"=",20]}
  • {"text":"20 - 10 = 10","parts":[20,"-",10,"=",10]}