一张桌子的价钱是74.5元，比一把椅子贵23.3元，买这样一套桌椅需要多少元钱？'O-~(W,M'X1x,F
算式：提示0A0h:m-V'g*B+`;T;B6](Z'O-~(W,M'X1x,F
答：买这样一套桌椅需要;y,];U2F/V0e6r/w2w1z1Z2L5B元钱。'O-~(W,M'X1x,F