90-47=
59+26=
37+46-54=
95-(34+25)=
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)=
43+57=
70-59=
83-25=
23+66-48=
60-45+26=
90-(31-17)=
=
①56+29=
②92-78=
③70-37+28=
④100-76=
⑤81-79=
⑥86-(45+26)=
96-60=
37+50=
80-8 =
25+9 =
63-6 =
79-30=
48+2=
20+45=
74-8=
75+7=
82-4=
42+33=
36+40+2=
59-9-20=
75-(10+50)=
63-30+5=
56+5-20=
48+(18-9)=