六年级口算题及答案

.2.80.4 147.4 1.920.040.32500 0.654.35 105.4420 3.5200 1.50.060.7515 0.40.8 40.250.361.54 1.0199 420352512 1350.5 3/4 + 1/4 =2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =0.5117 32.819 5.21.31.60.4 4.90.7 15612 0.870.491.(1+1/2)(1+1/3)(1+1/4) 2.(1-1/2)(1-1/3)(1-1/4) 3.8+2-8+2 4.254/254 5.7.26-(5.26-1.5)6.286+198 7.314-202 8.526+3019.223-99 10.6.25+3.85-2.125+3.875 11.9-24562112.0.5/11.5-42.75 13.1/23/5 14.3.375+5.75+2.25+6.62515.1001903618 16.3.85.25+14.5 17.2.14.3+5.72.118.301/3 19.10245-328 20.2/31221.2.83.1+17.6/8 22.3/55/6 23.(50-12.5)/2.524.2/51/3 25.611047+639 26.1/2-1/627.3.52.7-52.2/18 28.1/71/5 29.3.3750.97+0.976.62530.254/5 31.6.54+2.4+3.46+0.6 32.5/6-1/233.95.61.8+95.6*8.2 34.1/21/5 35.600-420/1236.344/3.6-5.40.25 37.16/2+30/2+90/6 38.3001-1998.39.5000-10534 40.0.15/0.25+0.751.2 41.(1/2+1/3+1/4) 0.2442.(25+4) 4 43.300-4263/21 44.0.81/0.25+5.9645.4031327 46.1.54.20.750.25 47.3.274 +3.275.748.（1.2+ 1.8）4.5102576832 49.0.25800.450.950.102576832 51.0.252.694 52.2348+2751653.2/915/8-1/129/5 54.2.4+2.4(5.375-3.375) 55.645-451256.0.15+1.2/0.24-0.45 57.3.75-(2.35+0.25/1.25) 58.761/4+2325/100+0.2559.10-2.87-7.13 60.0.96+9.69.9 61.7.5-5.71/362.12.37-3.25-6.75 63.166.8+2.216+16 64.40119+28465.58.7-16.65/3.7 66.0.44.72.5+(2.3+5.3) 67.9.31-1.125-7.87568.640+12845 69.8.21.6-0.336/4.2 70.400(0.62+0.08)59+73= 83+38= 56+74= 162+959= 135+69= 47+98=536+469= 915+85= 351+649=208+792= 873+127= 989+109=80+370= 120-80= 64+5=82-（98）= 648= 45+37=94-28= （72-30）6= 510+400=82-39= 567= 36+287=47+35= 620+80= 57+8=74-47= 725+275= 328+672=641+359= 936+64= 183+817=649+326= 720-465= 800-235=905-245= 634-57= 459-68=754-697= 900-768= 953-804=801-765= 200-94= 706-327=936-588= 825-648= 728-439=473-387= 400-84= 302-187=517-253= 908-129= 716-224=483-194= 800-324= 975-385=500-222= 906-345= 900+820=235+198= 398+299= 620-489=502-488= 806-728= 594+382=469+247= 365+640= 548-279=249+781= 900-374= 724-385=690-305= 638-276= 243+467=800-465= 905-368= 687+329=706-499= 888+135= 364+436= 675-388= 716+235= 947-828=563+245= 655-135= 409+198=500-367= 702