abacus 2

which formula will you use ?

25-3

choose the correct answer

25-23

• 2

• 9

• 5

• 3

write the correct answer

58-23

choose the correct answer

29+30-23

• 36

• 39

• 46

• 23

which formula will you use?

5+51-12

• 1 friend is 4 small friend small boss fly high together

• 2friend is 3 small friend small boss fly high together

• 1 friend is 4 small boss small friend

  comes down together

• 2 friend is 3 small boss small friend

  comes down together

type the correct answer

64+1-3+5

5+2-3

6+1-4

• 3

• 2

• 1

• 4

56-6+28

• 38

• 78

• 98

• 34