Abacus_Compliments

Mix compliment of +7=

• +3-5+10

• +2-5+10

• -10+5-2

• -3+10

10's compliment of -6 =

• -10+5-1

• +4-10

• -10+4

• -4+10

Big friend of 2 is

5's compliments of +2 =

• +2-5

• +3-5

• +5-3

• +5-2

Small friend of 4 is

• 2

• 1

• 3

• 5

Mix compliment of +9 =

• +4-5+10

• +2-5+10

• -1+10

• -10+1

10's compliment of -5

• -5+2

• -5+3

• -10+5

• -5+10

10's compliment of +2

• +5-3

• +5-1

• +5-4

• -8+10

Big friend of 4

• 3

• 6

• 7

• 8

5's compliments of -4

• -10+6

• +1+4

• -10+2

• +1-5