2019年五年级数学速算竞赛试题.doc

2019年五年级数学速算竞赛试题 姓名 班别 分数 4.55= 0.960.2=10.50.4=7.30.27= 80.125=0.540.6=0.610.39=0.5628= 1020=4.080.4=119.4=0.80.11= 0.325100= 2.58=0.560.7= 0.1254= 3.280.1= 3.90.13=7.20.1= 0.010.1= 0.250.4= 1.60.8=12.5= 3.20.04= 82100=5610=291000=0.610=0.06100=0.61000=7.52.46.52.4=0.6+12.58=X+15=25 X=( )X25=15 X=( )18X=13 X=( )18X=36 X=( )4.7+2.3= 4.52= 6.92.5=7.20.8=63.4= 0.620.32= 1.40.5=0.75100=0.020.5= 3.60.3= 6.37= 5.6100= 0.7212.8= 5.60.01=2.3100= 0.75100= 10.89=0.70.8=4.20.4=0.726= 5.20.4= 12.20.2= 1.7532.5= 1.020.2= 20.6-1.6= 36X=12 X=( )X36=2 X=( )X+2X=6 X=( )3X+2X=1.5 X=( )0.5X+0.2X=4.2 X=( )0.2574=50.25=7.80.01= 5.40.6= 3.25= 70.62=0.560.8=56.4-6.4=01.7=0.22102=9.60.8= 50.24= 60.20=3.90.13= 16.50.5= 50.12= 4.50.02=87.2=1.230=0.0120.2=100+0.1=0.75+0.25= 0.1258= 0.5628= 0.360.4= 250.4=0.350.6=3.080.1= 4.951000= 6.90.1= 0.40.5=2.40.8= 9.650.1= 10.3+6.7=