its very helpful questions that challenge my thinking but i was answerig some maths questions i double checked seeing if i put correct signs but when i submitted it it changed my pluses to subtracts and subtracts to plus making my answer wrong it was changing my answers for it to make them wrong apart from this bug it has been very helpful
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We create science and maths resources for students and teachers. We have a YouTube channel with video lessons, and an accompanying revision website, where the content is exam-board-specific, and progress is automatically tracked.
