班级:_______________ 姓名:________________
2017年四年级下(上半学期)数学口算竞赛题
比赛时间:10分钟1分/题,满分:100分
成绩:796-697=160?1000?18?2?10?652-256=
27?20?23?864÷9=
23?4? 21?16?4?21?
350?70?81?9?3? 720?90? 18?9?19? 15?4?2?9?3?125?8? 0.24?10?36?6?5? 42?7?9? 16?6?36?12? 40?3?4? 63?7?6? 96?24? 855÷3=42?2?3? 3.5?100? 18?2?4? 16?4?6? 231÷7= 39?61?144?30?20?6? 54?9?5?100?7?25?75?25?6?
90?15?35?3? 25?8? 24?3?8?48?4? 25?4? 13?3?13?7?308×6=
44?24?56? 16?5? 35?5?8? 15?7?3? 12?3?5?30?5?11? 50?30?70?35?7?8? 54?87?13? 78?56?22?86?36?50?74?1000?37?3?63?3? 40?25?10?100?24?26?14?7?5? 37?53?34? 35?5?5?64?24?36?60?28?22? 56?7?5? 25?55?20? 91?7?21?3?6?74?34?60? 37?2?64?4?12?99?12?3?6?2? 34?5?2? 25?200?25?45?5?4? 67?25?33?75?102?20?18?54?6?4? 42?3?6? ?5?4?32?4?7?33?47?67?53? 11?22?2?
91?81?19?109? 14?9?14?
17?5? 28?4?6?
18?62?82?
36?101?36? 25?50?15?
48?8?4?
20?8?9? 35?6?12? 936÷9=
55?5?9?
14?3?6?
24?5? 3?90?7? 125?5?3?
2.7?1000? 35?79?35?79
15
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