20\(^0\)C=68\(^0\)F
30\(^0\)C=86\(^0\)F
45\(^0\)C=113\(^0\)F
55\(^0\)C=131\(^0\)F
86\(^0\)F=30\(^0\)C
71.6\(^0\)F=22\(^0\)C
98.6\(^0\)F=37\(^0\)C
149\(^0\)F=65\(^0\)C
- tick nhá bn
\({20}^{0}C\)=20.1,8+32=\({68}^{0}F\)
\({30}^{0}C \)=30.1,8+32=\({86}^{0}F \)
\({45}^{0}C\)=45.1,8+32=\({113}^{0}F \)
\({55}^{0}C \)=55.1,8+32=\({131}^{0}F\)
\({86}^{0}F\)=(86-32):1,8=\({30}^{0}C\)
\({71,6}^{0}F\)=(71,6-32):1,8=\({22}^{0}C\)
\({98,6}^{0}F\)=(98,6-32):1,8=\({37}^{0}C\)
\({149}^{0}F\)=(149-32):1,8=\({65}^{0}C\)