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R
Ralpheal
@ralpheal
Biology, physics, maths and chemistry
Teaching for many years
7
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SPARKS · 7
0:27
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Graphs plot
0:51
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Trapezium
0:34
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Maths logic
1:06
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Shapes
0:42
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Sets and venn diagram
0:15
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Parts of circle
1:00
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Photosynthesis
