대답:
# 14sqrt (2) #
설명:
#color (파란색) (32 = 4 ^ 2 * 2 rarr sqrt (32) = 4sqrt (2)) #
#color (빨간색) (50 = 5 ^ 2 * 2 rarr sqrt (50) = 5sqrt (2)) #
#color (녹색) (18 = 3 ^ 2 * 2 rarr sqrt (18) = 3sqrt (2)) #
따라서
#color (흰색) ("XXX") 2color (파란색) (sqrt (32)) + 3color (빨간색) (sqrt (50)) - 3color (녹색) (sqrt (18)) #
#color (흰색) ("XXX") = 2 * 색상 (파란색) (4sqrt (2)) + 3 * 색상 (빨간색) (5sqrt (2)) - 3 * 색상 (녹색) (3sqrt (2)
#color (흰색) ("XXX") = 8sqrt (2) + 15sqrt (2) -9sqrt (2) #
#color (흰색) ("XXX") = 14sqrt (2) #