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There are some on line math and science learning tools:
Ms. Havrot was a teacher for many years at Cairine Wilson S.S. She has videos for grade 10, 11, and 12 courses.
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There are some on line math and science learning tools:
Ms. Havrot was a teacher for many years at Cairine Wilson S.S. She has videos for grade 10, 11, and 12 courses.