Bài 1 : Viết [ theo mẫu ]
Mẫu : 0,23 = \(\frac{23}{100}\)= 23%
1,05 = ......... = ..............%
0,07 = ............. = ...............%
0,9 = ................ = ..................%
2,3 = ................... = ...................%
4,506 = ................ = ......................%
1,05=\(\frac{105}{100}=105\%\)
\(0,07=\frac{7}{100}=7\%\)
\(0,9=\frac{90}{100}=90\%\)
\(2,3=\frac{230}{100}=230\%\)
\(4,506=\frac{4506}{100}=4506\%\)
đi bn