(1)3200÷80=40; (2)8÷
1
6 =48; (3)
2
3 ÷
1
5 =3
1
3 ; (4)
2
7 ×
2
3 ÷
2
7 ×
2
3 =
4
9 ;
(5)9.5÷0.05=190; (6)7.28-(1.28+0.75)=5.25; (7)3.4×0.5=1.7; (8)1÷
1
10 ×10=100.
(1)3200÷80=40; (2)8÷
1
6 =48; (3)
2
3 ÷
1
5 =3
1
3 ; (4)
2
7 ×
2
3 ÷
2
7 ×
2
3 =
4
9 ;
(5)9.5÷0.05=190; (6)7.28-(1.28+0.75)=5.25; (7)3.4×0.5=1.7; (8)1÷
1
10 ×10=100.