Question

For addition, drag tiles onto the board. to form a group, place one tile on top of another. what is the sum of -2 and -7?

Answer 1

The sum of -2 and -7 is given as follows :

-2 + (-7)

In mathematical operations, + * - is - therefore

Now soo we have,

-2 – 7

This gives us: -9

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Question :

For addition, drag tiles onto the board.

To form a group, place one tile on top of another.

What is the sum of -2 and -7?

Board sum: 0

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