(+)×48 23×+8× 8.7×-3.2÷
80× ÷(+) ×1.8+0.25×8.9-25%×0.7
(5) ()
1÷25%=
0.22=
-0.2=
×2 ÷ ×2=
1.4-1.08=
0×(-)=
+÷+=
99×0.8+0.8=
①
②
③
④
⑤
⑥
①126-126÷2.8×1.04
②8.625-( + )-1.75
③ ×60%- ×
④ × + ÷
⑤( - × )÷
⑥9.6÷[ ×( + )]
①2019﹣1890÷18
②0.65×201
④9.4÷[(1.2+13)÷0.25]
⑤ ×[ ﹣( ﹣ )]
⑥(5.1+1.36× )×
①875+450÷18×25
②36÷0.8÷1.25