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write the misseng number and encircle the property used in each equation
1.13x___=(____+____) (associative property,commutative property)
2.(9+3)+7=3(___+___) (associative property, commutative property)
3.(0+9)+(9×1)=(18+__) ( zero property, associative property)
4.(7+6)+(5+12)=(7+___)+(6+12) (distributive property, associative property)
5.3×(5+2)=(___×5)+(___x2) (commutative property, distributive property)​