1.

Fill in the blanks so that the equality holds. Also state the property used in each case. 6437+5123 ="______"+6437

Answer»

`5623`, SUBTRACTION is commutative for WHOLE numbers
`5623`, addition is commutative for whole numbers
`5123`, subtraction is commutative for whole numbers
`5123`, addition is commutative for whole numbers

Answer :D


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