You mean 2x3x12? if yes, it is 72.
Answer:
none of them
Step-by-step explanation:
Answer:
A fact family is a set of related addition and subtraction number sentences that include the same numbers. The numbers 2, 4, and 6 can be written in two different addition sentences. The numbers 2, 4, and 6 can be written in two different subtraction sentences. These four number sentences make up a fact family.