一年级下册奥数口算题
口算就是一边心算一边口说地运算。下面是小编为您整理的一年级奥数题，来供大家学习和参阅!
口算练习题
18-9=
10-9=
19-9=
16-9=
17-9=
11-9=
12-9=
19-9=
17-9=
15-9=
18-9=
13-9=
14-9=
18-9=
19-9=
14-9=
13-9=
12-9=
16-9=
15-9=
16-8=
14-8=
17-8=
12-8=
11-8=
13-8=
15-8=
17-8=
11-7=
15-7=
16-7=
12-7=
14-7=
13-7=
15-8=
14-7=
17-8=
12-7=
16-8=
17-9=
15-9=
16-8=
12-7=
13-8=
17-8=
11-9=
13-9=
15-7=
14-8=
14-9=
13-7=
16-9=
18-9=
12-9=
16-7=
11-8=
14-8=
15-8=
17-9=
15-7=
11-7=
16-8=
11-9=
13-8=
13-7=
18-9=
12-8=
12-7=
15-9=
13-7=
16-7=
16-8=
12-9=
16-9=
14-8=
14-7=
12-7+8=
16-8+9=
17-8+6=
16-7-2=
17-8=
14-9=
18-8=
16-7=
15-8=
11-8=
12-7=
17-9=
14-7=
12-8=
15-7=
13-9=
12-9=
16-6=
18-9=
17-9=
15-8○14-8
11-7○11-9
14-9○17-8
13-7○12-9
习题
36+30= 44+30= 87-20= 74-40= 65-10=
43+50= 71+20= 79-50= 95-10= 75-30=
96-40= 94-30= 31+10= 34-10= 66+30=
16-10= 51-10= 77+10= 98-30= 86+10=
92-90= 14+40= 81-50= 53-40= 73-20=
38+50= 60+10= 92-80= 97-80= 21+10=
25-10= 28-20= 40-40= 71-70= 67-50=
39+60= 12+60= 61-30= 44+40= 65-60=
68-20= 47+10= 33+30= 32-30= 75+10=
82-10= 79-50= 80-70= 13+60= 21+60=
12+60= 93-60= 34+60= 38-20= 67-50=
26+50= 47+10= 35+50= 88-10= 53-10=
66-20= 20+10= 90-70= 98-90= 46-40=
83-60= 11+60= 71-50= 50-40= 20+40=
76-60= 87-10= 97-10= 22+40= 28-20=
72-70= 57-30= 12+10= 40+40= 77-50=
80-60= 42+50= 94-10= 60-10= 70-50=
23+30= 77-70= 33+30= 98-50= 38+30=
50-40= 47-30= 75-50= 67-40= 28+50=
91-10= 65-40= 78-40= 63+30= 66-20=
73-5= 37+0= 65+3= 16-5= 77+6=
98-4= 76-5= 22-8= 24-2= 86+3=
83+9= 97-2= 44+8= 41+8= 86-7=
85-3= 31+3= 60+7= 37-0= 17-6=
67-4= 60+7= 12-6= 14+6= 14+5=
51-5= 40+9= 13+2= 69-4= 16-2=
36+9= 53-0= 84+4= 40-3= 70-4=
30+8= 61-7= 44-6= 26-6= 93+6=
65+4= 87+3= 96-6= 14+4= 80-3=
53+3= 75+7= 33-4= 61+5= 32+9=
40-7= 97-9= 62+8= 66-0= 72-3=
51-1= 33+7= 13+3= 89+8= 73-4=
77-5= 74+7= 93-6= 16+2= 22-2=
55+3= 49-5= 68+7= 22+2= 95-4=
11+2= 49-2= 59+6= 12+6= 38-4=
57-2= 61-7= 47-4= 76+9= 20-6=
19-7= 22-7= 54-2= 16-3= 39-9=
38+1= 46+3= 38-3= 58+6= 93+6=
41-2= 89-1= 88+0= 55+5= 98+7=
21-8= 99-4= 78-5= 14-4= 79-2=
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