1、80-25= 70+45= 902= 14.163005409= 4= 350-80= 160+70= 18-648= 426+20= 40-57= 80+603= 41+182= 75-1142+7-29= 560080= 2516= 12025= 3611= 102525= 336+70= 9200-333= 3020-1010= 1250= 2311= 1254200-2200= 220+80= 208600-3200= 20+2035-2536+8-40= 280040= 9814 = 9624 = 5614 = 6513 = 7515 = 12024 = 20025 = 80016
2、= 84021 = 56039060015 = 728517 = 907826 = 5117 = 8040 = 10020 = 4 = 24040 = 9204 = 30060= 642 = 505 = 8 = 6 = 400+80 = 400-80 = 80 = 80 = 4816 = 1604250= 0518= 1076= 10= 152418= 26715= 3230= 15= 6012= 50= 700= 20= 80-25= 16350-80= 4= 3020-1010= 1225220+80= 36+8-40= 13 = 025 = 26 = 20 = 60518= 100-10
3、14 =2 = 8 = 400+80 = 400-80 = 250= 76= 6= 18= 30= 12= 7= 42+7-29= 16= 336+70= 700=3+20= 80+801740 100633.21.68 2.80.4 147.41.920.04 0.325000.654.35 105.4420 3.52001.50.06 0.75150.40.8 0.25 0.361.54 1.019942035 12 1350.5 0.511732.819 5.21.3 1.64.90.7 15 60.870.49 40 10063 3.21.68 2.8147.4 0.654.35 420 3.5200 0.40.25 99 4200.5400+80 =