一、直接写出得数。
3.6 + 0.66 = 3.4×0.5 = 400×0.3 =
1.8÷0.03 = 4.8÷0.6 = 3.3 - 0.33 =
0.37×4 = 7.6 - 6.7 = 0.52 + 0.29 =
2.25×0.4 = 3.9 + 0.93 = 0.3÷0.05 =
0.65÷0.5 = 90×0.7 = 7 - 6.4 =
0.74 + 0.47 = 2.84÷0.4 = 17÷85 =
0.23 + 0.17 = 1.05×0.4 = 0.32×0.9 =
3.6 + 0.66 = 3.4×0.5 = 400×0.3 =
1.8÷0.03 = 4.8÷0.6 = 3.3 - 0.33 =
0.37×4 = 7.6 - 6.7 = 0.52 + 0.29 =
2.25×0.4 = 3.9 + 0.93 = 0.3÷0.05 =
0.65÷0.5 = 90×0.7 = 7 - 6.4 =
0.74 + 0.47 = 2.84÷0.4 = 17÷85 =
0.23 + 0.17 = 1.05×0.4 = 0.32×0.9 =
答案:
4.26 1.7 120
@@60 8 2.97
@@1.48 0.9 0.81
@@0.9 4.83 6
@@1.3 63 0.6
@@1.21 7.1 0.2
@@0.4 0.42 0.288
@@60 8 2.97
@@1.48 0.9 0.81
@@0.9 4.83 6
@@1.3 63 0.6
@@1.21 7.1 0.2
@@0.4 0.42 0.288
二、算一算,填一填。
1.5×$\begin{matrix}1.5\\3\\6\\12\\24\end{matrix}$ = $\begin{matrix}\_\_\_\\\_\_\_\\\_\_\_\\\_\_\_\\\_\_\_\end{matrix}$ 140÷$\begin{matrix}2.5\\3.5\\5.6\\8.75\\17.5\end{matrix}$ = $\begin{matrix}\_\_\_\\\_\_\_\\\_\_\_\\\_\_\_\\\_\_\_\end{matrix}$
1.5×$\begin{matrix}1.5\\3\\6\\12\\24\end{matrix}$ = $\begin{matrix}\_\_\_\\\_\_\_\\\_\_\_\\\_\_\_\\\_\_\_\end{matrix}$ 140÷$\begin{matrix}2.5\\3.5\\5.6\\8.75\\17.5\end{matrix}$ = $\begin{matrix}\_\_\_\\\_\_\_\\\_\_\_\\\_\_\_\\\_\_\_\end{matrix}$
答案:
2.25 4.5 9 18 36
56 40 25 16 8
三、列竖式计算。
85.44÷1.6 = 11.79÷1.5 = 8.9×2.4 =

7.05÷4.7 = 9.8×10.02 = 50.75÷25 =
85.44÷1.6 = 11.79÷1.5 = 8.9×2.4 =
7.05÷4.7 = 9.8×10.02 = 50.75÷25 =
答案:
53.4 7.86 21.36
@@1.5 98.196 2.03
@@1.5 98.196 2.03
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