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tamaranim1 [39]
3 years ago
15

Which property would allow you to use mental computation to simplify the problem 27 + 15 + 3 + 5? additive identity additive inv

erse commutative property of addition distributive property
Mathematics
2 answers:
Fofino [41]3 years ago
5 0

Answer:

Commutative Property

Step-by-step explanation:

Additive Identity: If you add a real number to zero or add zero to a real number, then you get the same real number back.

Additive Inverse: When you add the same number but reversed sign, you get 0.

Commutative Property: a + b = b + a

Addition distributive property: a(b+ c) = ab + ac.

In this case, we use the commutative property:

27 + 15 + 3 + 5 = 27 + 3 + 15 + 5.

We know that 27 + 3 = 30 and 15 + 5 = 20, so we get 50 quickly using mental math.

Zigmanuir [339]3 years ago
5 0

Answer:

Communitive

Step-by-step explanation:

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