80+5=
76-6=
64-60=
6+70=
49-9=
83-3=
95-90=
9+9=
26+8=
95﹣30=
50+26=
80﹣30=
6+72=
12﹣7=
84﹣60=
17+80=
78﹣9﹣30=
66﹣(17+3)=
48+(16﹣9)=
82﹣50+6=
34+(58+2)=
14+8﹣7=
9角+5角=
7元8角﹣8角=
1元﹣7角=
60+30=
14﹣6=
6+9=
46﹣8=
18﹣9=
68﹣50=
66﹣40=
57+30=
46﹣7=
8+8=
40+27=
99﹣1=
68﹣8=
9+26=
75﹣50=
□+□=□ □-□=□ □-□=□
205+97= 3.01﹣0.1= 0.25×3×4= 36×25%=
3×a×a= ×1.6= 4÷25%= 16.4+3.06=
1﹣ ÷ = ( ﹣ )÷ =