614-49.3=564.7;
2
19 ×38.57=4.06; 18×(
2
3 -
1
9 )=10; 3÷
3
5 ÷
3
5 =8
1
3 ;
4
5 ÷0.16=5;
3
8 +79×0.375=30; 1-1÷3=
2
3 ; 0.81×
7
9 ÷0.81×
7
9 =
49
81 . 故答案依次为:564.7,4.06,10, 8
1
3 ,5,30,
2
3 ,
49
81 .
614-49.3=564.7;
2
19 ×38.57=4.06; 18×(
2
3 -
1
9 )=10; 3÷
3
5 ÷
3
5 =8
1
3 ;
4
5 ÷0.16=5;
3
8 +79×0.375=30; 1-1÷3=
2
3 ; 0.81×
7
9 ÷0.81×
7
9 =
49
81 . 故答案依次为:564.7,4.06,10, 8
1
3 ,5,30,
2
3 ,
49
81 .