一、算一算，填一填。

10.07 19.22 19.84 3.52 45.7 0.55

二、下面的计算正确吗？把错误的改正过来。
$59.5-3.46=29.04$
$24.08+1.7=26.5$


$\begin{array}{r} 59.5\\ -3.46\\ \hline 29.04\end{array}$
$\begin{array}{r} 24.8\\ +1.7\\ \hline 26.5\end{array}$
$92.4-74.36=18.16$
$1.275+4.25=1.7$


$\begin{array}{r} 92.4\\ -74.36\\ \hline 18.16\end{array}$
$\begin{array}{r} 1.275\\ +4.25\\ \hline 1.700\end{array}$

1. $59.5-3.46=29.04$ 错误
$\begin{array}{r} 59.50\\ -3.46\\ \hline 56.04\end{array}$
$59.5-3.46=56.04$
2. $24.08+1.7=26.5$ 错误
$\begin{array}{r} 24.08\\ +1.70\\ \hline 25.78\end{array}$
$24.08+1.7=25.78$
3. $92.4-74.36=18.16$ 错误
$\begin{array}{r} 92.40\\ -74.36\\ \hline 18.04\end{array}$
$92.4-74.36=18.04$
4. $1.275+4.25=1.7$ 错误
$\begin{array}{r} 1.275\\ +4.250\\ \hline 5.525\end{array}$
$1.275+4.25=5.525$

一、直接写出得数。
$2.01+5.2=$
$7.134+0.3=$
$0.005+0.5=$
$4.55-1.3=$
$14.78-0.6=$
$9.856-7.54=$
$4.7-1.5=$
$6-4.7=$
$2.8+11.39=$

7.21 7.434 0.505 3.25 14.18 2.316 3.2 1.3 14.19