08 Jan 23copy & paste+upvote-downvoteMore new IGCSE resources, this time on the sum of an arithmetic series:
βοΈSum of a Series Fill in the Blanks
βοΈHardβ¦ https://t.co/lShcEzpDZo
β@_lexiemichelee: @MariaCabayubi you know how slow I am Maria. But it looks really goodβhah I know this. But thank youuu
14 Jan 13copy & paste+upvote-downvoteβ@_lexiemichelee: @MariaCabayubi you know how slow I am Maria. But it looks really goodππππβhah I know this. But thank youuu βΊπππ