东高村要修建一个长方体的蓄水池,计划能蓄水720吨。已知水池的长是18米,宽是8米,深至少是多少米?(1立方米的水重1吨。)(用方程解答)0y+l.R8@.d9|-@'A5i(N9P,X/G
算式:提示0C+B+_8B/F'u)n5s2],j-V(O8I0y+l.R8@.d9|-@'A5i(N9P,X/G
答:深至少是.p,j'g/@.n6M.D米。0y+l.R8@.d9|-@'A5i(N9P,X/G