种水杉的棵数为总数的2/5,种柏树的棵树是水杉的7/8,其余的种梧桐。已知水杉比梧桐多144棵,这三种数各有多少棵?3b0@0|'S+X,{;i:d
解:
算式:提示9f0P;s1L0v-v;P4E6N3b0@0|'S+X,{;i:d
答:x是1N-c'w1t6@0h/U7\棵,y是;q+j5h;d2N-L1E'd+L/P;G.k棵,z是7L-|0_1F8F棵。3b0@0|'S+X,{;i:d