Exercise 1.12 Pascal's triangle
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    #| BEGIN (Введите свое решение) |#
(define pascal
  (lambda (row col)
    (if (or (= col 1) (= col row))
        1
        (+ (pascal (- row 1) (- col 1))
           (pascal (- row 1) col)))))
#| END |#

    #| BEGIN (Введите свое решение) |#
(define pascal
  (lambda (row col)
    (if (or (= col 1) (= col row))
        1
        (+ (pascal (- row 1) (- col 1))
           (pascal (- row 1) col)))))
(define solution pascal)
#| END |#

    #| BEGIN (Введите свое решение) |#
(define pascal
  (lambda (row col)
    (if (or (= col 1) (= col row))
        1
        (+ (pascal (- row 1) (- col 1))
           (pascal (- row 1) col)))))
#| END |#

    #| BEGIN (Введите свое решение) |#
(define pascal
  (lambda (row col)
    (if (or (= col 1) (= col row))
        1
        (+ (pascal (- row 1) (- col 1))
           (pascal (- row 1) col)))))
(define solution pascal)
#| END |#