3.002( )=300.2 900.7( )=0.9007 ( )×10=0.77 60÷( )=0.06 908.5÷( )=9.085
2.3+0.8=
5﹣3.9=
2.58﹣0.5=
38×0+62=
3.7×1000=
125÷100=
0.28+0.2=
8×5÷8×5=