3 years ago

How does knowing 8+5=13 help you solve 13-5?

Mathematics

2 answers:

amid [387]3 years ago

8 0

Answer:

Fact Families

Step-by-step explanation:

They are fact families

insens350 [35]3 years ago

7 0

Answer:

because 8 + 5 = 13 which means that 13-5 =8

Step-by-step explanation:

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How does knowing 8+5=13 help you solve 13-5?​

How does knowing 8+5=13 help you solve 13-5?