1、125(11)125(840)(12)994999(13)264974264 (14)454999999545(15)9999366666332(16)124386512476110767(17)624445518(18)3400623438203814(19)199219911991-199119901990(20(246100)-(13599) 小数简便运算练习4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866
2、 1.27+3.9+0.73+16.1 7.54.96.5 3.070.381.62 1.293.72.716.3 82.451.553.251.790.591.75 23.40.813.47.2 0.324033.20.364.81.64 1.233.40.236.6 0.253612.7(3.70.84) 36.541.764.54 0.7347.60.80.27.6 0.85199 8.54 1.288.60.728.6 12.50.960.8 10.49.60.350.8(4.31.25) 3.123.1299 28.610128.6(4.236.17)0.8615.70.8614.7
3、 2.4102147.322.68 2.648.677.3611.33 2.311.20.5(2.50.25)0.4 9.161.50.59.16 3.63.64.51.8 4.23.5 9300.65 63.42.54.91.4 3.9(1.35) (7.71.54)0.7 2.52.4 2.745 0.351.25232.40.90.132.4 150.25 7028 15(0.150.4) 4.259.90.17人教版六年级数学简算.计算题4/93= 51/3 = 1/21/3 = 21/2542= 4/53/4 = 8.70.2= 40.25= 1/714= 2/35/6= 8= 3/
4、55/8= 6/73/2= 68.8= 4/114= 4/93/8= 5/35= 08/3= 4/72/3= 2/72 41/124= 43/16= 129/4= 75/8 5= 1216/9 2/33 89/4 5/33/5 4/55/8 7/99/7 2.643.6= 50= 350070= 2050298= 279= 0.33%= 286+198 314-202 526+301 223-99 1/23/5 1. 89100= 0.82+0.08= 731= 0.6310= 410= 171000= 0.56+0.4= 1.25100= 5.6+99= 4363/21 10025= 1-0
5、.93= 90-0.9= 18.31/3 794198= 6825= 43.3-63/21 72125= 3001-1998 23/55/6 20/312 1/2-1/6 30.254/5 5/6-1/2 1/21/5 4.254/2557.26(5.261.5) 106.25+3.852.125+3.875 11.9245621 5/1142.75 13.375+5.75+2.25+6.625 (15.19036)18 163.85.25+14.5 172.14.3+5.72.1 19.10245-328 2.83.1+16/8 23(50-12.5) 2.5 242/51/3 25.611
6、047+639 3.52.7-52.2/18 281/71/5 3.3750.97+0.976.625 6.54+2.4+3.46+0.6 95.61.8+95.68.2 35.6420/12344/3.6-5.416/2+30/2+90/6 5000-10534 0.15/0.25+0.751.2 41(1/2+1/3+1/4)0.24 42(25+4)63/2184 0.81/0.25+5.964031327 46.1.54.20.753.274 +3.275.7 (1.2+ 1.8)4.5102576832 800.450.9 50.102576881.21173= 6696626.51
7、0.6 = 3/9 2/7 = 6756193207= 973603360=1/3 = 2/72/7 = 21/250.2= 45/6= 1.253/2= 63/8= 5/38/3= 4/7 2/3= 2/72 41/123/16= 129/4 = 75/8 16/9 2/33/5 4/55/8 7/99/7 2.643.6= 2.470= 2050298= 273%= 81.2113= 66961. 89100= 0.82+0.08= 7310= 171000= 0.56+0.4= 1.25100= 5.6+99= 10025= 1-0.93= 90-0.9= 25= 6756193207=
8、 125= 97一、简算。 1.1035-998 2.5076993.3008449 4.428255.328-189-28 6.43.2-(3.2-1.28)17.255818.840.2516二、改错,下面各题错在哪里,请改正。2.5731-(731-525)=5731-731-525=5000-525=4475答案仅供参考:二、略(1)888+999 (2)58-92+42-8 (3)(88*125+125*12)*8 (4)816-2304/72+8*3 (5)3306*51/7(6)659-348/2(7)13-(2.65+3/7)(8)12*28/7(9)(7/10)/3+(3/1
9、0)/(1/3) (10)0.007+0.993X4X5X1.8(11)(522+643*521)/(522*643-121)(12)341*99+314*1(13)0.56+0.41. 33333*6*11111+22222=(199998+2)*11111=200000*11111=2222200000 2. 1/2 +1/6 + 1/12 + 1/20 + 1/30 + 1/42 + 1/56 =1-1/2+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8=7/83.999 * 888 +888 * 777 + 777 * 666 + 666 * 555 =111*111*(9*8+8*7+7*6+6*5)=111*111*(16*8+12*6)=111*111*200=12321*200=2464200THANKS !致力为企业和个人提供合同协议,策划案计划书,学习课件等等打造全网一站式需求欢迎您的下载,资料仅供参考
copyright@ 2008-2023 冰点文库 网站版权所有
经营许可证编号:鄂ICP备19020893号-2