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小学一年级数学下册口算习题(一)
11+9= 80-3= 95-4= 64+3= 98-4=
25+7= 62-2= 83+5= 83+10= 10+8=
56+20= 64+6= 65+3= 15-3= 30-3=
32+6= 29-7= 35+2= 7 3+4= 25+4=
43+5= 87+10= 3 9-3= 48-30= 95-40=
81-2= 60+8= 39+10= 76+10= 70+30=
48-9= 47-8= 52-4= 43-8= 68-9=
40-2= 27-9= 32-4= 41-2= 38-9=
50-8= 63-9= 37-8= 56-20= 88-9=
75-9= 92-3= 42-7= 71-6= 58-10=
47-8= 26-7= 52-3= 69-10= 63-5=
80-2= 36-9= 78-4= 65-8= 99-9=
72-2= 45-9= 86-8= 96-2= 24-9=
40-2= 46-9= 43-4= 18-2= 38-8=
35+5= 85+2= 59-4= 78+10= 82-5=
64+6= 32+7= 49-5= 63+3= 84-2=
60-4= 11+20= 45-3= 30+8= 60-7=
25+4= 36-5= 84+4= 52-3= 71+9=
88-4= 76+0= 93-3= 18+5= 70-5=
56+20= 64+6= 65+3= 15-3= 30-3=
12-3= 12+6= 13-8= 14-5= 12-8=
8+5= 11-5= 20+7= 16-9= 12-5=
9+4= 18-9= 17-8= 15-9= 14-4=
17-9= 12-7= 13-6= 14-8= 11-2=
30+7= 12-8= 14-6= 14+9= 5+6=
18-10= 7+9= 90-3= 60+23= 30+26=
35+40= 42+30= 50+21= 35+30= 28-8=
36-20= 37-7= 57+8= 80-60= 7+80=
9+70= 71+9= 48+6= 99-6= 75-5=
39+5= 26-3= 27+6= 54-8= 86-6=
24+3= 76-8= 72-50= 69+30= 90+4=
50-7= 40+58= 96-4= 97-7= 67+9=
小学一年级数学下册口算习题(二)
90-6= 50+26= 98-70= 8+40= 50-8=
62+8= 70-5= 46+4= 12-4= 45-40=
80-30= 25+9= 14-8= 17-9= 72-2=
79-70= 7+63= 90-9= 9+60= 3+50=
26-3= 87+8= 43+30= 48+2= 38+7=
44+5= 20+45= 55+7= 47+30= 53-2=
25+8= 50+16= 97-60= 36+7= 92+8=
9+8= 18-6= 19-9= 15-7= 13+8=
18-10= 22+6= 8+7= 15-6= 14+5=
16-6= 17+8= 4+60= 11+6= 15+6=
12-7= 5+38= 23+7= 64-60= 24-6=
32+40= 16-4= 75-9= 45+8= 58+20=
62+7= 47-5= 54+4= 98-9= 4+76=
68-7= 73-6= 70-3= 24-10= 48-4=
72-3= 75-20= 75+4= 69+7= 90-8=
42+6= 80+10= 26+9= 86-6= 93-60=
39-4= 67-30= 44+30= 71+5= 4+62=
72-8= 40+30= 86-4= 56-6= 27+9=
34+6= 35-20= 60-3= 95-9= 76+8=
25+8= 34-20= 94+6= 47+30= 20+45=
100+0= 100-0= 30+10= 90-10= 9-9=
35-7= 30+25= 92+5= 6+45= 53-8=
90-90= 80-30= 50-20= 30-10= 30+9=
53-3= 4+60= 90-30= 80+9= 80-60=
90-70= 50+40= 20+50= 38+30= 67+20=
56+30= 60+33= 27+40= 93-70= 45-20=
74-3= 28+9= 63+30= 33+7= 84-3=
61+7= 51+40= 5+89= 28+40= 84-30=
75+8= 68-60= 76-40= 7 7-70= 29+8=
20+16= 13+70= 45+30= 45-30= 45+3=
18-7-9= 15+4-6= 17+6+5= 17-8-3=
80-20-30= 100-30-40= 90-60-20= 87-7-50=
86-6-50= 99-9-70=
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