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Mathematics, 16.10.2020 05:01 Mariann6362
\begin{aligned} 12&=p+6.2 12+6.2&=p+6.2-6.2&\green{\t ext{Step } 1} 18.2&=p&\blue{\text{Step } 2} \end{aligned}
12
12+6.2
18.2
=p+6.2
=p+6.2−6.2
=p
Step 1
Step 2
Find Ling's mistake.
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\begin{aligned} 12&=p+6.2 12+6.2&=p+6.2-6.2&\green{\t ext{Step } 1} 18.2&=p&\blu...
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