①
②1.25×1.3×80
③7.28-3.14+1.72-2.86
④
⑤
⑥
1÷0.25=
+1=
×24=
+=
﹣=
110×0.02=
0.32=
0.5+0.5×2=
3×﹣×2=
10÷=