三年级数学上册计算题专项竞赛题 姓名:___________班级:____________分数:____________ 一、口算(20分) 300×5= 2400÷3= 15×3= 804÷4= 9×500= 40×8= 20×7= 20÷5= 90÷3= 64÷2= 149+111= 700÷7= 40+30= 90×9= 23×3= 40050×4= 102×4= 500÷5= 800二、列竖式计算。(36分) (1)360×4= (2)208×3= (4)125×6= (5)450×4= (7)228×4= (8)160×5= (10)234×3= (11)96÷3= ÷4= ÷4= 3)104×5= 6)250×4= 9)312×2= 12)350÷5= ( (((三、脱式计算。(44分) (1)48÷6×25 (2)6×(121-103) (3)72÷8×6 = = = = = = (4)6+25×6 = = = = = = (7)25×3×4 = = = = = = (10)90+84÷4 = = = = = = 90-4.8= 45.2+12.05= 100+45.1= 104.98+102.3= 205-42.6= 23.6+1.7= 5)312×2×5 8)84+13×3 (11)15×2×5 (6)6×(810-690)(9)320÷8×6 12)285×2×5 ( (( 本文来源:https://www.wddqw.com/doc/0cc9784eecfdc8d376eeaeaad1f34693dbef1036.html