6
4
5 ×0÷3
2
3 =0; 7×8×(
1
7 +
1
8 )=15; 8×
1
8 ÷8×
1
8 =
1
64 ;
3.7-0.7×1.5-0.5=2.15; 12×(
1
4 ×
1
6 ) =
1
2 ; a-
1
3 a×
3
4 =
3
4 a ;
故答案为:0,15,
1
64 ,2.15,
1
2 ,
3
4 a.
6
4
5 ×0÷3
2
3 =0; 7×8×(
1
7 +
1
8 )=15; 8×
1
8 ÷8×
1
8 =
1
64 ;
3.7-0.7×1.5-0.5=2.15; 12×(
1
4 ×
1
6 ) =
1
2 ; a-
1
3 a×
3
4 =
3
4 a ;
故答案为:0,15,
1
64 ,2.15,
1
2 ,
3
4 a.