Active 4 years agoTopics: 1Replies: 1☆ProfileForumsTopics StartedReplies CreatedEngagementsForum Replies CreatedViewing 1 post (of 1 total)AuthorPosts January 10, 2016 at 5:53 pm #294040 nrnaMemberTopics: 1Replies: 1☆400 is replacement? but the answer is 2000-400=1600 and then 2200-1600=600 replacement it isnt true?AuthorPostsViewing 1 post (of 1 total)
