一年级数学竞赛式题

_______班　　　姓名___________　　得分_________9－6＋2 =10－7＋4 =12－2－3 =18－10－4 =9＋1＋4 =8－4＋3 =13－10－2 =9－5＋4 =2＋7－0 =11－1－5 =9＋2＋4 =6＋4－7 =7＋2－5 =6＋3＋4 =19－10＋2 =8－3－5 =3＋3＋3 =7＋3－8 =10＋5－8 =17－7－7 =三年级数学竞赛式题_______班　　　姓名___________　　得分_________一．口算：50÷5 =42÷2 =99÷3 =72－40 =36＋8 =30×6 =48÷4 =6×20 =44－25 =32×3 =93－39 =3600－3000 =50×6 =80－25 =6×3＋2 =6000＋400 =8×6＋3 =5×7＋5 =7×7－4 =1300－700 =二．竖式计算97÷698÷789÷3514×55×229418×2927－839470×74×409378×9五年级数学竞赛式题_______班　　　姓名___________　　得分_________一．口算：7÷100 =0.009÷2 =20×0.4 =1.2÷3 =8.4÷100 =0.52＋0.8 =1－0.6 =1000×2.1 =4.8÷2 =7.2÷0.6 =二.计算1.　　 02×0.760.045×161.9×0.2512÷810÷16　　　　 3.83＋0.91.35÷270.　　 72÷860－5.96.35×3.6三.用简便方法计算0.25×8.5×44.52－(3.52－0.72)9.9×1.014.9＋0.1－4.9＋0.11.28×8.6＋0.72×8.6