①×4.5+6.5×80%﹣0.8
②4×0.8×25%×12.5
③[﹣(﹣)]÷
④2022×
1÷0.25=
+1=
×24=
+=
﹣=
110×0.02=
0.32=
0.5+0.5×2=
3×﹣×2=
10÷=
4x=
3x﹣38=37
:x=: 3x﹣0.9=2.4 x+x=132
80×3.8×0.125 8.5﹣(5.6+4.8)÷1.3
①( + + )÷
②12.7×99+12.7
③16.8÷[32×(1﹣ )]