①32+15+28=
②97-25-43=
③100-38+19=
④28+42-29=
18÷9=
2×7=
80-26=
3×5=
5×3-7=
64÷8=
45÷5=
24÷3=
6×7=
7×4+1=
4×3= 5×7= 7×8= 4×9= 7×7+4= 3×6+8=
9×3= 8×3+6= 5×3-6= 5×3+2= 6×4+8= 8×9 =
8×4=
32-4=
5×7=
6×3=
56-8+10=
2×6=
9×4=
6×1=
7×3=
7×6-6=
4+8=
2×5=
6+6=
8×5=
9×3+9=
36+30=
56-5=
29+8=
56-7=
63-9-7=
×=18