hard Set 9 Form Exercise

Exercise 1

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 2

OperationPair
add-sub
Triple
  • 4
  • 5
  • 9
Mode
write_all
Equations
  • {"text":"4 + 5 = 9","parts":[4,"+",5,"=",9]}
  • {"text":"5 + 4 = 9","parts":[5,"+",4,"=",9]}
  • {"text":"9 - 4 = 5","parts":[9,"-",4,"=",5]}
  • {"text":"9 - 5 = 4","parts":[9,"-",5,"=",4]}

Exercise 3

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

Exercise 4

OperationPair
add-sub
Triple
  • 3
  • 8
  • 11
Mode
write_all
Equations
  • {"text":"3 + 8 = 11","parts":[3,"+",8,"=",11]}
  • {"text":"8 + 3 = 11","parts":[8,"+",3,"=",11]}
  • {"text":"11 - 3 = 8","parts":[11,"-",3,"=",8]}
  • {"text":"11 - 8 = 3","parts":[11,"-",8,"=",3]}

Exercise 5

OperationPair
add-sub
Triple
  • 10
  • 7
  • 17
Mode
write_all
Equations
  • {"text":"10 + 7 = 17","parts":[10,"+",7,"=",17]}
  • {"text":"7 + 10 = 17","parts":[7,"+",10,"=",17]}
  • {"text":"17 - 10 = 7","parts":[17,"-",10,"=",7]}
  • {"text":"17 - 7 = 10","parts":[17,"-",7,"=",10]}

Exercise 6

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