3.2÷0.01=320;1
3
7 -(
2
3 +
3
7 )=
1
3 ; 5.6+3.99=9.59; 1.7÷17=0.1; 99×2.5+2.5=250;
2.2×10.1=22.22;
2
3 +
1
4 =
11
12 ; 2.5×0.4=1;
6
5 ÷
5
6 =
36
25 ;
4
5 ×0÷
2
3 =0.
3.2÷0.01=320;1
3
7 -(
2
3 +
3
7 )=
1
3 ; 5.6+3.99=9.59; 1.7÷17=0.1; 99×2.5+2.5=250;
2.2×10.1=22.22;
2
3 +
1
4 =
11
12 ; 2.5×0.4=1;
6
5 ÷
5
6 =
36
25 ;
4
5 ×0÷
2
3 =0.