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小学数学一年级口算、速算竞赛试题
挑战计算极限,争当计算明星!加油! 时间:30分钟
学校_____________班级_____________姓名__________________
一、共115道题. (1) 直接写出得数。(每题0.5分,共35分)。
15-7= 12-5= 13+2= 2+16= 4+13= 15-2= 18-18= 12-8= 7+9= 19-12= 10+10= 14-10= 0+17= 5+15= 8+11= 12-7= 11+7= 15-0= 7+4= 9-3=
12+5= 18-6= 8+3= 0+15= 19-6= 20-8= 15+4= 20-5= 15+4= 20-5= 5+14= 12-5= 20-6= 12+3= 15-5 = 15-3=
12-9= 11+9= 20-6= 20-4= 16-12= 12+10= 20-10= 20-9= 12+7= 15-7= 2+15= 15-15=
6+8= 12+7= 15-3= 17-12= 19-16= 8+7= 8+3= 13-12= 4+12= 20-13= 4+7= 20-4= 12+7= 17+3= 15-6= 12-10= 18+2= 4+11= 20-3= 4+16=
5+15= 20-9=
(2)、在()填入合适的数。(每题1分,共25分。)
( ) - 9 = 8 20 - ( ) = 18 15 + ( ) = 20
12 - ( ) = 12 ( ) + 16 = 16 ( ) - 9 = 8
20 - ( ) = 18 15 + ( ) = 20 12 - ( ) = 12
( ) + 16 = 16 ( ) - 9 = 8 20 - ( ) = 18 15 + ( ) = 20 12 - ( ) = 12 ( ) + 16 = 16
( ) + 5 = 10 16 - ( ) = 7 ( ) - 6 = 6
7 + ( ) = 13 18 - ( ) = 11 6+( )=11
20-8-8-( )= 4 14-4+4-( )= 9
8+8+8+( )= 30 14+( )=19
(3)、加减混合运算。(每题2分,共20分. )
16+2-2= 9+4-3= 14-7+6= 8+6-7=
8+9-6= 7+8-5= 4+14-6= 15-3-2= 12+2-1= 11+5-6=
(4)在○里填“>”、“<”或“=”。(每题2分,共20分.)
6+4○11 6+4+2○6+6 7+8○8+2+6
17○8+8 7+3○20-3-7 4+3+5○14-2 6+7○17-7+4 12○15-3 6+7○8+6
20○10+9
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