159-59+41=
(120+30)×2=
40-11=
90-32=
15×3-25=
120÷(60÷15)=
48-18÷6=
70-34=
100-54=
50+50×7=
6×(31-15)=
800-600÷20=
30-19=
60-35=
190-30×5=
90-40×2=
70+30×4=
90-72=
80-44=
17+3×20=
350÷50+20=
5×30-20
200-12=
110-45=
48-18+6=
72÷12×3=
72÷12×3=
60-28=
120-104=
120÷30×2=
159-59-37=
100-80÷4=
50-32=
60-17=
125-25×4=
280÷5÷2=
160-60÷20=
70-45=
100-67=
48-18÷6=