①56+29=
②92-78=
③70-37+28=
④100-76=
⑤81-79=
⑥86-(45+26)=
90-47= 38+49= 75-46=
58+(62-49)= 92-5-28= 36+29-48=
80-47=
37+38=
71-19=
18+67-56=
92-38-26=
35+(63-26)=
90-47=
59+26=
37+46-54=
95-(34+25)=
=
52+26= 71-35=
80-28= 38+(46-23)=