5×7=
45÷9=
18-9=
10÷5=
16÷4=
30+5=
9÷3=
18÷6=
20-5=
6÷6=
4÷4=
15÷3=
36+45-48=23( )
改正:
6×5=
4×8=
72÷9=
60-20=
30+46=
76-40=
3×7=
0×1=
0÷8=
18÷2=
3×8=
7×6=
54÷9=
8×4+9=
9×6-30=
1×9+9=
0×6+7=
3×3×2=
36÷9÷4=
3×4÷6=
56÷8×5=
65-50= 12+9= 32+67= 5×7+30=
9×8= 6×6= 70+30= 7×9-9=
4×3+28= 7×5-7= 6×6+6= 82-(18+12)=
6×6= 29-6= 26+30= 3×4+20=
73-25= 5×3= 58+20= 7+20+30=
2×6= 46-7= 3×4= 2×5+45=
×
*
30×50
30×6
50×8
8×6