①72-39=
②28+46=
③95-39-28 =
④53-(34-16)=
6×9=
93-67=
3×8=
6×8+7=
7×2=
66-46=
84-68=
4×4+15=
5×5= 8×6= 6×3= 3+8=
15÷3= 9÷1= 24÷4= 30÷5=
24÷8= 0×9= 12÷6= 0÷4=
3×3-2=
71-20=
42+41=
62-8=
8+17-12=
60+10-4=
①30+28=
②84-56=
③27+48=
④43+17-50=
⑤92-(45-28)=
①19+28+35=
②73-27-38=
③43+(62-35)=