1、六年级数学 （480075+36）12= 10245= 517+190515-629 = 2.54.4= 2712-354311452= 11+026+261=101-1(8888+254) 3.31-18.3470.5 10.25+0.251-2.50.18.81.251004 8.76-5.29-2.71+1.24 19999+999999990.87.7+3.30.8-0.8 40+1.25153.2 13.52+14170.984.8 21.6-0.840.84 19.9837-199.81.9+19980.82 80400-483216150 0.750.5+0.0450.1255.
2、60.7 761.04+1.0425-1.04 (0.10.6+0.94)(-)21+ () 0.253212.524 16 ( 18( 15.64-+4.36- (7.52.37+250.189 60( (20-( 5.17-0.38-1.62 1.253.6+1.253.4+1.2535(1- 2410.5-354939 3.145.3+3.144.7 8302527+935 36.5-6.54.72108( 242.4-2.50.4( 24.5-(7.58+) 2.5(1.920.3-5.9) 67.5314-(19.376-2.4686) 24-4.8(2 121.43+0.5712-
3、12 0.99+9.999+99.9( 27216+2046 (22725-4.68)0.117.75-2.4+2.25-6.6 3.7-0.25(3-1.6)98.6-29.3+11.4-30.7 5.3 2.651.7+1.351 (1-1535) (12.42.5-2)19 (1.9-1.90.9)(17.6-17.41) 0.6255.8+92 126028+6352 ( ( 53-7(0.510.6(4.5+) 15.296+15.25-15.2( 0.724.5+0.776.5-0.7 75% 1.08(3.94+34.30.2)18.753.8-8.753.8 24+765 21
4、0056() 5- 3.799+3.795.618+0.418 12() 0.6250.5+ 1.750.8+9.21 82 1(3.25-0.6) 371.25768 168(4.32-0.4)( 9 1.441.2(0.742+0.458)4.05-2.74-1.26 (48+110030)72 95.68+0.40.1258100.65-45.63+9.35-14.37 25 (9999+99)0.9978199 0.07287.5+8.750.28 351.250.0824- 2400.25+0.2540 18.3470.5 18( 1(6.8-0.75)2.50.4 3.799+3.7 1500-15806.25- 40162.5 8546-23911+775 14.58-1.588+31.21.20.246519+26.44.81 6.4（1- 0.1255.60.7 （6.25-1 98 60( ( ( 18（
