★這篇《小學(xué)一年級(jí)數(shù)學(xué)口算習(xí)題精選》，是特地為大家整理的，希望對(duì)大家有所幫助！
45+30= 45+3= 5+41= 50+41= 6+32=
52+6= 40+47= 62+4= 27+40= 5+23=
71+5= 45+30= 69+1= 6+33= 18+70=
44+3= 5+32= 25+4= 20+35= 4+75=
3+95= 30+65= 53+20= 85+3= 4+52=
30+65= 6+22= 16+3= 40+58= 56-30=
56-3= 89-40= 89-4= 75-30= 56-3=
29-4= 77-7= 29-20= 56-4= 63-50=
38-4= 98-3= 96-30= 39-6=
25-4= 78-40= 80-30= 79-60=
49-7= 26-3= 59-3= 67-3=
99-50= 30-1= 55-2= 27-5=
45-20= 76-40= 46-30= 46+30=
4+74= 51+7= 38+40= 93-80=
63-30= 95-5= 86+10= 2+82=
69+0= 73-40= 100-30= 59-4=
45+30= 45+3= 5+41= 50+41= 6+32=
52+6= 40+47= 62+4= 27+40= 5+23=
71+5= 45+30= 69+1= 6+33= 18+70=
44+3= 5+32= 25+4= 20+35= 4+75=
3+95= 30+65= 53+20= 85+3= 4+52=
30+65= 6+22= 16+3= 40+58= 56-30=
56-3= 89-40= 89-4= 75-30= 56-3=
29-4= 77-7= 29-20= 56-4= 63-50=
38-4= 98-3= 96-30= 39-6=
25-4= 78-40= 80-30= 79-60=
49-7= 26-3= 59-3= 67-3=
99-50= 30-1= 55-2= 27-5=
45-20= 76-40= 46-30= 46+30=
4+74= 51+7= 38+40= 93-80=
63-30= 95-5= 86+10= 2+82=
69+0= 73-40= 100-30= 59-4=