3+24=
6×4= 4×4= 41+20= 30+36= 3×8= 62+12= 78-28=
7×6= 36+31= 66-41= 61+2= 37-17= 7×4= 39+10= 72-10= 6×2= 3×6= 75-55= 77-43= 8×6= 12+50=
56+22=
3×8= 6×9= 40+29=
45+22= 8×8= 38-18=
13+5+35=
6×9= 69+16= 6×7= 49-22=
43+20=
3×9= 51+20=
6×2=
3×9= 52-11=
44+17+33= 67-24= 6×4= 17+3=
43+17=
9×6= 8×4=
4×7= 3×3= 31+25= 80-40=
63+19= 29+30= 35+29= 68-22= 46+13= 90-60= 8×6=
3×3= 7×7= 9×6=
36+22+= 10-3=
5×8= 7×6=
57+20=
89-17= 45+10=5×9=
79-65= 2+23=99-27= 79-38= 46+25+5= 54+21= 80-28= 36+23=50+25= 50+39= 36+13=40+33= 17+40= 4×7= 85-39=
53+26= 29+20=8×5=
59-49=
二年级数学口算竞赛试题
3×7= 69-48= 5×7=
8×9= 17+32= 57-30=
17+30= 6×7= 7×3=
59-53= 9×9= 8×9=
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