苏教版五年级数学上册计算题竞赛.doc
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五年级上册计算题竞赛
(时间:
60分钟)
一.基本训练(44分)
0.9×3=3.5+2.6=3.5÷7=0.12÷0.6=
45-4.5=0.1÷0.01=0.2×0.5=6.3+3.7=
20-6.9=13.84-5.8=5.4+2.34=1.25×8=
23.7×0.01=1.5×4=5.1÷0.17=8.4÷4.2=
4.5×2=3.4×0.4=12.6-0.9=2-1.08=
1.2÷0.04=0.42÷7=6.8+8.6=0.9+2.01=
8.9+0.11=1÷0.04=1-0.01=5.6÷8=
2.5+2.4-2.5+2.4= 1-0.1×0.1= 17.5÷(1.75×4)=
24×0.25=72.81÷1000×100=23.7×0.01×100=
1.5÷0.03=1.2×0.5÷1.2×0.5= 3.6×0.25=
6.8-2.4÷3= 2.4×2.5=0.8×1.25=
0.9÷0.01=1.25÷0.25=6.007-5.98=6.74÷0.01=
二、用竖式计算(带☆的要求结果保留两位小数)(16分)
15.4+0.767.4-3.683.5×0.670.528÷3.2
☆31.7÷0.63☆1.7×0.4882.8÷0.24☆43÷5.5
三、脱式计算,能简算的要简算(40分)
0.8×(125+12.5)0.25×2.4×44.97×[2.46÷﹙5.58-5.28﹚]
0.8×3.98×1.2512.5×2.5×3.26.3×101
7.2×99+7.2 1.5+2.26+8.50.65×0.4-0.168÷0.8
73.8-1.64-13.8-5.36 1.25×8.89.3÷﹙3.1×0.5﹚
5×﹙9.3-5.7﹚-3.60.25×36(8.25-3.75)÷2.5÷4
10.1×974.25÷2.5×101-1.75.9-5.9×0.9
9.6×28.5+0.285×405.8×4.5+4.5×3.2+4.5