3
4 ÷
1
2 =
3
2 ,
1
2 -
1
3 =
1
6 ,
1.75÷0.5=3.5,
1-
4
9 ×
1
8 =
17
18 ,
7
18 ×
9
14 =
1
4 ,
1.09+5.73=6.82,
16×0.25=4, 0.125×
1
5 ×8=
1
5 ,
1
4 ÷0.5=
1
2 ,
1
2 +
2
5 =0.9, 2.4×
5
6 = 5.28-(1.8+2.28)=1.2.
3
4 ÷
1
2 =
3
2 ,
1
2 -
1
3 =
1
6 ,
1.75÷0.5=3.5,
1-
4
9 ×
1
8 =
17
18 ,
7
18 ×
9
14 =
1
4 ,
1.09+5.73=6.82,
16×0.25=4, 0.125×
1
5 ×8=
1
5 ,
1
4 ÷0.5=
1
2 ,
1
2 +
2
5 =0.9, 2.4×
5
6 = 5.28-(1.8+2.28)=1.2.