heike hoffmann

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    heike's activity

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    heike hoffmann on Simultaneous equations: elimination 6 years, 1 month ago

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    heike hoffmann on Solving linear equations: collecting like terms and solving 6 years, 1 month ago

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    heike hoffmann on Algebra VIII: solving simultaneous equations (equate & substitute) 6 years, 1 month ago

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    heike hoffmann on Algebra VIII: solving simultaneous equations (by elimination) 6 years, 1 month ago

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    heike hoffmann copied Compound Interest - find interest rate to Compound Interest - find interest rate 6 years, 1 month ago

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    heike hoffmann copied Solving linear simultaneous equations by elimination to Simultaneous equations: elimination 6 years, 1 month ago

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    heike hoffmann copied Joël's copy of Find the equation of a line through two points - positive gradient to equation of a line through two points 6 years, 1 month ago

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    heike hoffmann copied Graphs I: Linear - Line equation to Graph - Line equation 6 years, 1 month ago

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    heike hoffmann copied Increase and Decrease in percentages to Increase and Decrease in percentages 6 years, 1 month ago

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    heike hoffmann copied Conversions - Decimals and Percentages to Conversions - Decimals and Percentages 6 years, 1 month ago

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