62+7+3=
89-5-7=
63+3+7=
34-2+9=
65+7-60=
65-(7+13)=
74+8-80=
84+9-90=
76-8+4=
4+28+40=
60+30-7=
25+(30-10)=
17+(15-5)=
46-(17-8)=
62+7+3=
89-5-7=
63+3+7=
34-2+9=
65+7-60=
65-(7+13)=
74+8-80=
84+9-90=
76-8+4=
4+28+40=
60+30-7=
25+(30-10)=
17+(15-5)=
46-(17-8)=