Perform several additions to evaluate expressions.

To evaluate expressions that contain several additions, we make repeated use of the rules for adding two integers.

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QUESTION OF
Views #: 29
Questions #: 5
Time: 5 minutes
Pass Score: 80.0%
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Evaluate the following expression

1 pts

-3 + 5 + (-12) + 2

Answer = (1)

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Correct Answer

Explanation

The order in which integers are added does not change their sum

1 pts
volume_mute
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Explanation

The way in which integers are grouped does change their sum

1 pts
volume_mute
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Evaluate the following expression

1 pts

-3 + 5 + (-12) + 2

Answer = (1)

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Correct Answer

Explanation

Evaluate the following expression

1 pts

[-21 + (-51)] + (-17 + 6)

Answer = (1)

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Explanation

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0
sin cos tan
sin-1 cos-1 tan-1 π e
xy x3 x2 ex 10x
y√x 3√x √x ln log
( ) 1/x % n!
7 8 9 + MS
4 5 6 – M+
1 2 3 × M-
0 . EXP ÷ MR
± RND C = MC
Keywords
Year 7