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2 Subtra3 Divisio

Additi2 Multip

SubtraDivisio

y Divisiox Divisioy Divisiox Divisioy Divisiox Divisio

n rule 1 abovut of the 81 c

n: peration) C2

on plication action on on

plication action on on

plication action on on

plication action on on

plication action on on

plication action on on on on on on on

ve, that therecards; there a

= C1

y y y y y y y y y y y y

2y 2y 2y 2y 2y 2y 2y 2y 3y 3y 3y 3y x y x x y y

e are multiplare many oth

C2

y y y y

2y 2y 2y 2y 3y 3y 3y 3y 2y 2y 2y 2y 3y 3y 3y 3y 3y 3y 3y 3y -1 -1

-2x -2x -2y -2y

le valid reasohers.):

C3

2y y2 0 1

3y 2y2 -y 1/2 4y 3y2 -2y 1/3 4y 4y2 0 1

5y -y

6y2 2/3 6y 9y2 0 1 -x -y

-2x2 -1/2 -2y2 -1/2

ons for each

Reason:C1 (operaC3 AdditionMultiplicaSubtractioDivisionAdditionMultiplicaSubtractioDivisionAdditionMultiplicaSubtractioDivisionAdditionMultiplicaSubtractioDivisionAdditionMultiplicaSubtractioDivisionAdditionMultiplicaSubtractioDivisionMultiplicaMultiplicaMultiplicaDivisionMultiplicaDivision

h set. Also,

ation) C2 =

ation on

ation on

ation on

ation on

ation on

ation on

ation ation ation

ation