3 years ago

(4 + 5) + 10 = 4 + (5 + 10)

Mathematics

1 answer:

zvonat [6]3 years ago

3 0

Answer:

Step-by-step explanation:

because you are adding on both sides of the equal signs

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alukav5142 [94]

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algol [13]

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Step-by-step explanation:

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Step-by-step explanation:

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The answer is shown in the pic.

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