学校买来7个排球,每个45元,还买了5个篮球,每个64元。问:(1)买排球和篮球一共用了多少元钱? (2)买排球比买篮球少用了多少元钱?4X:x(D6q5H5D1V+h)W:u
算式:提示+r6h,~7|9~.L4[8R3\3}/F8B4X:x(D6q5H5D1V+h)W:u
答:(1)买排球和篮球一共用了.O7M)g)y0]+y1P(~/C2X元钱4X:x(D6q5H5D1V+h)W:u
算式:提示7f;j'_4X:x(D6q5H5D1V+h)W:u
答:(2)买排球比买篮球少用了*p/F2E(E*N,H元钱4X:x(D6q5H5D1V+h)W:u