14/15X82/25X12635X11/3673X74/751/17X4/9+5/17X1/91/2+1/4+1/8+...1/2562/3+2/9+2/27+2/81+2/2439.9+99.6+999.6+9999.6+99999.66X7/12-9/20X6+11/30X63/2+5/6-7/12+9/20-11/305/4-9/20+11/30-13/42+15/5645X2.08+1.5X37.652X11.1+2.6X77848X1.08+1.2X56.872X2.09-1.8X73.66.8X16.8+19.3+3.2
答案4.4X57.8+45.3+5.6139X137/138+137X1/13853.5X35.3+53.5X43.2+78.5X46.2235X12.1+235X42.2-135X54.3