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Math Problems
Grade 7
Absolute value of rational numbers
What is
−
2.3
−
(
4.5
−
3
1
2
)
-2.3-\left(4.5-3 \frac{1}{2}\right)
−
2.3
−
(
4.5
−
3
2
1
)
?
\newline
−
3.3
-3.3
−
3.3
\newline
−
1.3
-1.3
−
1.3
\newline
2
2
2
.
3
3
3
\newline
−
10.3
-10.3
−
10.3
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What is
m
∠
D
E
F
m_{\angle D E F}
m
∠
D
EF
?
\newline
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What is
2
+
5
2+5
2
+
5
?
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