3.7+6.4=
4.5÷0.9=
2.5×2×0.8=
5xy+2x·y=
9÷0.2=
3.4÷0.34=
0÷3.7=
32-23=
3.2×3=
0.6×0.5=
8.8÷0.4=
0.65+0.14×0=
0.75÷0.5=
5.3×4=
32+1=
7.2-7.2×0.1=