姓名:班级:考号:考场:座号:密封线内不要答题2017年秋季和睦小学五年级数学计算能力竞赛姓名:成绩:一、直接写出得数。(40分)2.5×4=20×0.5=7.2÷1.2=3.86÷100=3.9×0.01=98,4×100=9.1÷1.3=8.2÷10=1-0.45=36+2.45=0.48×0=0.42÷7=0.69÷1=1.21÷0.6=0.5÷0.2=8.4÷2.1=76÷1000=8,7-5=1.28×8=40×25=0.51×100=0.58×99=0.6×0.9=0.1×0.5=6.6÷1.1=32.8÷41=0.13+0.7=6.1×0.5=7.31+1.23=0.82+1.8=5.6÷7=0.72÷8=5.4+10.8=2.12×2=1.23+3.7=5.69-0.9=4.33+6.67=4.6×0.5=4÷0.8=0.13+0.7=二、列竖式计算。(24分)2.7÷0.32=35÷56=0.36×6.9=15.36÷12=2.34×1.5=11.7÷2.6=25.2÷42=3.74÷34=三、简便计算。(24分)1.25×5.7×810÷0.2÷2.51.56×1.7+0.44×1.79.42-2.85-2.153.2÷5÷0.25.6×12.511.72-7.85-1.721.8×25+12×2.5四、解方程(12分)1.2x=81.6x-0.7x=3.691÷x=1.36x+12.8=15.8弟11页/(共12页)弟12页/(共12页)