Question

add or subtract as indicated.

(37.1 - 56.3 - (-45.98) =)

Explanation:

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</pre_analysis>

<reasoning>

Simplify the signs

\[
37.1 - 56.3 - (-45.98) = 37.1 - 56.3 + 45.98
\]

Perform subtraction

\[
37.1 - 56.3 = -19.2
\]

Perform addition

\[
-19.2 + 45.98 = 45.98 - 19.2 = 26.78
\]
</reasoning>

<answer>
Add or subtract as indicated.

\(37.1 - 56.3 - (-45.98) =\) <blank>26.78</blank>
</answer>

<post_analysis>
{
"subject": "Mathematics",
"question_type": "Fill-in-the-blank",
"knowledge_point": [
"Mathematics",
"Algebra",
"Decimal Arithmetic"
]
}
</post_analysis>

Answer:

<pre_analysis>
{
"quality": "clear",
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"skills_matched": [
"step_cot",
"blank_filling_formatter",
"explain_then_answer",
"quick"
],
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"new_concepts": [
"Decimal Arithmetic",
"Signed Numbers"
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"current_concepts": [
"Decimal Arithmetic",
"Signed Numbers"
]
}
</pre_analysis>

<reasoning>

Simplify the signs

\[
37.1 - 56.3 - (-45.98) = 37.1 - 56.3 + 45.98
\]

Perform subtraction

\[
37.1 - 56.3 = -19.2
\]

Perform addition

\[
-19.2 + 45.98 = 45.98 - 19.2 = 26.78
\]
</reasoning>

<answer>
Add or subtract as indicated.

\(37.1 - 56.3 - (-45.98) =\) <blank>26.78</blank>
</answer>

<post_analysis>
{
"subject": "Mathematics",
"question_type": "Fill-in-the-blank",
"knowledge_point": [
"Mathematics",
"Algebra",
"Decimal Arithmetic"
]
}
</post_analysis>