同学们修补图书节约40.25元，修理桌椅节约50.2元，一共节约多少元钱？9p(B7c6]'T
算式：提示6v5h.U)k0~*t;x/f-n8v9p(B7c6]'T
答：一共节约(k:B5Q:T.T+g*\元钱。9p(B7c6]'T