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secondary 4 | A Maths
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can you please check my steps and answer...?
Date Posted: 7 years ago
Views: 309
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done
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clear
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Usually we work on the wanted one directly (s=15), instead of working on other condition indirectly... Your proof is working the indirect condition, depends on the teachers to accept, it is not wrong though..
Date Posted:
7 years ago
tq
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