)÷6
2.38+0.77+2.62
①
-
+
②
-(
+
)
③
-
-
④
-(
-
)
⑤
⑥4.85-
+5.15-
8.6+14.4= 10-0.16= 100×0.205= 0.3÷100=
101×11= 1-0.99= 2.15+0.9= 9×29+9=
0×0.27÷10= 17.2-5.8-4.2=
×10-
÷[
×(
+
)]
① 
② 
③ 
④ 
⑤0125×41×80
⑥22.7-1.8+17.3-18.2