小学计算练习题集.doc

4/93= 51/3 = 1/21/3 = 21/2542= 4/53/4 = 8.70.2= 40.25= 1/714= 2/35/6= 1.258= 3/55/8= 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= 2.450= 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= 1-0.93= 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 4.254/254= 57.26(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 25.611047+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 35.6420/124 344/3.6-5.40.25 16/2+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)4 363/2184 0.81/0.25+5.965 4031327 46.1.54.20.750.25 3.274 +3.275.7 （1.2+ 1.8）4.5102576832 0.25800.450.9 50.102576832 81.21173= 6696626.510.6 = 2/73/9 2/7 = 6756193207= 973603360= 4/93= 51/3 = 1/21/3 = 2/73/9 2/7 = 21/2542= 4/53/4 = 8.70.2= 40.25= 1/714= 2/35/6= 1.258= 3/55/8= 6/73/2= 68.8= 4/114= 4/93/8= 5/35= 08/3= 4/7 2/3= 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= 2.450= 350070= 2050298= 279= 0.33%= 81.21173= 6696626.510.6 =+= = 8.7-4.8= 1.252.4= 9.3 : 0.03= 384= = 1= 156498 = 39.3913 = 3005% = 80.79 = = 3= = 9= 2= 55= 6= （1.63.2）0.125=7.28-（1.25+0.28） 9990200.8+12008 0.8412.52.5求未知数。16-6.4=35 32=30 = 5+3=25 105（3）=25 12%=2.816