①27×0.43=11.61;
27
×0.43
81
108
11.61 ;
②1.35+27=28.35;
1.35
+27
28.35 ;
③3.74+6.5=10.24;
3.74
+6.5
10.24 ;
④3.65×5.01≈18.29;
3.65
×5.01
365
1825
18.2865 .
①27×0.43=11.61;
27
×0.43
81
108
11.61 ;
②1.35+27=28.35;
1.35
+27
28.35 ;
③3.74+6.5=10.24;
3.74
+6.5
10.24 ;
④3.65×5.01≈18.29;
3.65
×5.01
365
1825
18.2865 .