装修问答

1. 11000 × (1 + 1/4)
= 11000 × 5/4
= 13750
答：....................
2. 11000 × 100 × (1 - 3/2穿骇扁较壮记憋席铂芦00）
= 11000 × 100 × 197/200
= 1083500 元
答：.......................