一年级数学口算竞赛练习1
11-2= 16-9= 86-8= 96-2=
24-9= 40-20= 60-30= 15-8=
18-2= 38-8= 35+5= 85+2=
80-40= 78+10= 80-50= 62+6=
32+7= 49-5= 63+3= 84-2=
16-4= 11+20= 45-3= 30+8=
14-7= 25+4= 36-5= 84+4=
52-3= 71+9= 88-4= 76+0=
93-3= 18+5= 70-50= 56+20=
34+6= 65+3= 15-3= 30-30=
32+6= 29-7= 35+2= 73+4=
25+4= 43+5= 87+10= 39-3=
48-30= 95-40= 15-6= 60+8=
39+10= 76+10= 70+30= 48-9=
17-8= 2+41= 17-8= 68-8=
23-2= 80-20= 16-7= 20+26=
18-10= 30-2= 13-5= 14-8=
39-2= 19-9=
5+7-10= 65-60+7= 4+8-2=
4+9-10= 24-8+4= 6+54+7=
52+6-50= 90+7-60= 5+9-5=
6+60+20= 82-8+20= 80-70+79=
28+60-8= 12+60-10= 93-60+30=
7+8-5= 26+50-6= 47+10-7=
38+50-7= 88-10-50=
一年级数学口算竞赛练习2
50+5= 35+2= 39-4= 8+50=
76-5= 16-9= 40+6= 62+7=
89-5= 63+3= 50-20= 11+2=
53-3= 60+8= 87-7= 71+9=
14-4= 26-5= 84+4= 35-10=
12+6= 29-7= 33+2= 3+40=
15+4= 23+5= 37+1= 29-3=
38-3= 15-4= 18-2= 30+8=
43+1= 86+2= 70+3= 20-9=
18-9= 72-2= 66-4= 39-2=
53+5= 35+2= 39-4= 8+50=
20-6= 16+9= 5+18= 17+3=
36+6= 29+5= 87+2= 40+30=
35+8= 4+19= 4+26= 4+32=
25+4= 7+9= 29+7= 80-30=
9+20= 40+6= 35+30= 62+8=
70+5= 23+7= 26+8= 19+60=
32+8= 16+9=
9+8+20= 5+42-20= 8+8-10=
69-10-9= 70-40+8= 48+20-20=
16-7+7= 49+30-70= 6+5+3=
67-37+20= 17-8+9= 20+40-50=
66-20+10= 90-70+50= 98-90+90=
46-40+60= 80-60+9= 23+60-3=
78-50+8= 50-40-8=
一年级数学口算竞赛练习3
24+6= 5+32= 40+7= 16-9=
50+8= 61+9= 80+4= 91+8=
82+5= 39+1= 46+2= 23+7=
70+20= 9+3= 27+6= 13-8=
8+5= 9+25= 82+6= 92+4=
86+2= 14-7= 49-9= 2+38=
6+8= 20+8= 36+5= 12-6=
46+9= 5+24= 11-6= 90+9=
13-7= 56+3= 30+60= 2+9=
93+3= 58+3= 50+70= 86+3=
39+2= 27-10= 50+5= 3+9=
17-9= 10+60= 9+50= 10+40=
61+10= 74+6= 37+2= 26-5=
23+7= 47+4= 8+5= 78+20=
14-6= 32+8= 30+8= 19+6=
20+50= 53+6= 86-5= 37+9=
86+6= 21+8= 89+6= 23-5=
80-70= 88-10=
42+5-40= 0+95-80= 60-50+24=
7+50-50= 8+63+20= 90-80+50=
25+20+50= 9+4-3= 13-8+9=
11+4-6= 20+40-60= 87-10+40=
80-60-6= 42+50-90= 98-80-8=
60-10-6= 30+70-50= 77-70+30=
33+30-3= 90-50+30=
一年级数学口算竞赛练习4
16-8= 80-20= 11-4= 11-6=
26+50= 18-9= 23-10= 62+20=
68-60= 50-3= 70-30= 7+23=
90-30= 19-9= 87-7= 86-6=
32-10= 36-3= 37+40= 86-80=
45-20= 11-8= 5+81= 70-40=
42+50= 13-4= 25+40= 52-20=
15-6= 26-10= 60+30= 17+70=
49+40= 35+4= 13-7= 70-50=
74-2= 13-5= 8+11= 11+80=
6+42= 15-8= 23+2= 29+4=
63+6= 40+47= 43+50= 62+7=
76-30= 91-30= 88-70= 35+60=
12-9= 63+7= 63-20= 94-50=
88-60= 80-10= 14+50= 80-50=
14-6= 94-5= 36+5= 16-10=
7+42= 96-4= 50+40= 58-10=
57-30= 42+20= 60+34= 48+50=
17-8= 53-50= 70-40= 15-8=
24-10= 18-8= 40-30= 74-6=
28-8+80= 40+40-80= 71-70+69=
12+6-9= 66-30-2= 65-60+50=
68-20-7= 47+50-9= 33+30-3=
6+ 70+10= 12-8+20= 80-70+79=
21+60-8= 10+60-60= 93-60+10=
67-50+20= 26+50-5= 47+10-17=
5+8-7= 88-10-50=
一年级数学口算竞赛练习5
50+5= 35+2= 39-4= 8+50=
76-5= 16-9= 40+6= 16-7=
89-5= 63+3= 50-20= 11+2=
50-30= 60+8= 87-7= 71+9=
14-4= 26-5= 84+4= 35-10=
12+6= 29-7= 33+2= 3+40=
15+4= 23+5= 37+1= 29-3=
38-3= 15-4= 18-2= 30+8=
43+1= 86+2= 70+3= 20-9=
18-9= 72-2= 66-4= 39-2=
53+5= 35+2= 39-4= 8+50=
20-6= 16+9= 5+18= 17+3=
13-6= 29+5= 87+2= 40+30=
15-8= 4+19= 4+26= 4+32=
25+4= 7+9= 29+70= 80-30=
9+20= 40+6= 35+30= 62+8=
70+5= 23+7= 26+8= 19+60=
30+40= 16+9=
9+8+20= 5+42-20= 8+8-10=
69-10-9= 70-40+8= 48+20-20=
16-7+7= 49+30-70= 6+5+3=
67-37+20= 17-8+9= 20+40-50=
66-20+10= 90-70+50= 98-90+90=
46-40+60= 80-60+9= 23+60-3=
78-50+8= 50-40-8=
一年级数学口算竞赛练习6
14-9= 50-40= 13-3= 84-70=
12-5= 16-8= 16-9= 15-6=
18-8= 36-6= 30+5= 28-10=
59-4= 7+10= 82-50= 23+6=
32+7= 45-5= 63+3= 24-2=
14-4= 30+10= 15-3= 30+8=
7+60= 20+40= 36-3= 4+80=
54-3= 71+9= 14-7= 70+2=
93+3= 24+5= 76-5= 26+20=
8+9= 12-6= 15-3= 16-10=
5+23= 12-7= 2+30= 73+20=
25+6= 6+5= 87+10= 35-30=
2+35= 95-40= 24-2= 6+10=
39+10= 76+10= 70+30= 18-9=
17-8= 12-3= 8+40= 16+7=
40-10= 23-5= 16-7= 17-9=
21+20= 32-2= 72-2= 66-40=
11-2= 4+18= 13-7= 12-8=
40+6= 60+7= 80-50= 63+3=
25+4= 2+28= 30+23= 60+8=
10-7+10= 6+51-7= 30+8+10=
84+5-9= 13-8+5= 8+5+3=
13-7+8= 12-6+8= 55+5-50=
6+7+2= 62-60+40= 14+5-10=
8+5+60= 63-40-10= 24+6-30=
10+8-10= 14-7+5= 11-7+25=
15-6+50= 35+10-5=
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