化简式子7.4X+5.5X,9.5Y-(7Y-3.3Y),3.2X-X+6
问题描述:
化简式子7.4X+5.5X,9.5Y-(7Y-3.3Y),3.2X-X+6
如何化解
答
12.9X 5.8Y 2.2X+6
化简式子7.4X+5.5X,9.5Y-(7Y-3.3Y),3.2X-X+6
如何化解
12.9X 5.8Y 2.2X+6