有三堆煤，甲堆比乙堆的3倍多30千克，丙堆比乙堆少15千克，三堆煤共240千克，那么甲堆煤多少千克？6W.`.O+k/j2o:o
算式：提示*v8f6Z2a/x2r1v8p6W.`.O+k/j2o:o
算式：提示8?9Y1t)v5N)K:V:\,V;j:d-u6q6W.`.O+k/j2o:o
答：甲堆煤(J3g.@-e,H)Z2C5q6F4x2H千克。6W.`.O+k/j2o:o