某校植树，去年共植树300棵，今年植树4次，每次植树80棵。哪一年植的树多？多多少棵？5].E/[2y.F6G/I4I1b
算式：提示,}*W(y,I*@2o5].E/[2y.F6G/I4I1b
答：'_8y-|7P1C,B5m4Q8e/y5K8{植的树多。5].E/[2y.F6G/I4I1b
算式：提示7I1H)S*\'z7s*m.c6a6W*?5].E/[2y.F6G/I4I1b
答：多0\5H1X'Z6J5^1r(M.`0M+T棵。5].E/[2y.F6G/I4I1b