①=
②=
③=
④ 0.125×8÷0.125×8=
⑤=
⑥=
⑦=
⑧
-+ +(-) 1.25×0.25×3.2 +0.75++4.25
+=
63=
2.95×1000=
-=
+0.5=
1.25×0.8×0=
2--=
6.12+2.88=
-+=