問題プリントや解答を検索 Positive and negative numbers – addition or subtraction 3 terms or more – integers X Facebook はてブ LINE コピー コメント 2022.06.26 This is a collection of PDF arithmetic and calculation questions. Since there are a lot of problems, please specify the page number when printing. It is also possible to print from a smartphone with a home printer. Answers are not printable. problem answer