Upper Bound and Lower Bound | IGCSE

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This video shows some short and easy tricks to remember upper bound and lower bound in case of addition, subtraction, multiplication and division.
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I am here at 1am the night before my exams i had to learn this but i lost the paper thank you soo much you save me around 30 marks.🤓

kanishkaasharma
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Thanks u i really liked your explanation ❤

RAGEFROST_-
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shi this vid helped me a lot, keep skibidying

SmeliolayUnreal
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You saved me thank you. 2 hours before exam😬

TANJROK