2.3856+4.55006= 0.3968+0.0069= 0.9021-0.0876= 0.3009-0.2986= 0.5769+6.8576= 23.0023-17.9687= 4.2356-3.8797= 6.0302-5.9867= 0.6698+7.6385= 4.0123-3.2768= 0.9867+2.6458= 98.006-0.9969= 6.0126-5.6759= 9.7729+2.6392= 3.0012-2.9654= 0.9968+2.9687= 6.2354-3.6987= 2.6987+8.7856= 23.612-19.987= 0.6958+3.6957= 0.3219+5.9798= 0.6987+9.9889= 2.0306-0.6879= 0.9025-0.5687= 2.6959+9.6874= 20.0021-19.6879= 7.0253-5.9687= 45.55－（6.82＋15.55）= 34.52－17.87－12.23= 4.57+3.17+3.43= 3.423.75－8.64－3.36= 27.3+73.2+72.7= 5.85－1.75－0.25 14.795.85+(1.84－1.15)= 24.84+14.642.5－22.17－7.83= 3.8+11.37+6.2= 5.6-4.34+7.346= 9.5+4.85-6.13= 25.4-3.8-0.46-1.723= 25.6-(0.23+5.6)= 13.75-(4.75+6.48)= 7.83+2.34-0.83= 3.82+2.9+0.18= 25.48-((9.4-0.52)= 35.6-1.8-15.6= 5.93+0.19+2.81= 7.3+2.7+2.7= 48.4+2.78+51.6= 23.4+0.8-13.4= 4.8+8.63+5.2= 3.07-0.38-1.62= 1.27+3.9+0.73= 5.84-1.8-3.2= 132.44-(58.74+19.44)= 7.5+4.8-6.5= 8.85+65.12+27.64= 49.56+12.07-8.78= 56.35-45.2+32.47= 65.12+58.69-27.64= 49.56-8.56+12.07= 56.35-32.47+56.23= 54.5+22.5-31.35= 72.5-(5.2+12.6）= 42.7-31.32+13.62= 17.25+2.9-4.25= 34.26+12.72-4.26= 3.3216-1.6798= 0.6979+2.9683= 3.6859+9.5593= 0.9549+3.6959= 3.6987+9.5496= ＋8.7＋16.55= 17.83－9.5－7.83= 585+189+215= －3.9+4.08= －15.4= 85.7-（5.3-4.8）= （15.3+7.7）= 本文来源：https://www.wddqw.com/doc/53ac6ea2d7d8d15abe23482fb4daa58da0111c80.html