《2025年阳光同学计算小达人四年级数学下册冀教版》

1. 直接写出得数。（建议 3 分钟完成）
35 + 46 = 270 - 190 = 6×9 + 346 =
8×125 = 120×30 = 63×10 + 63 =
400×5 = 90×60 = 98×98÷98 =
36×3 = 27×30 = 480÷（240÷3）=
$\frac{2}{6}$ + $\frac{3}{6}$ = $\frac{8}{9}$ - $\frac{5}{9}$ = （510 - 90）÷7 =

答案： 81@@80@@400@@1000@@3600@@693@@2000@@5400@@98@@108@@810@@6@@$\frac{5}{6}$@@$\frac{1}{3}$@@60

2. 用竖式计算。（建议 6 分钟完成）
8 - 3.6 = 19.81 - 10.05 = 14.2 - 7.62 =

10 - 5.55 = 23.77 - 12.59 = 3.4 - 1.13 =
7.3 - 4.03 = 13.08 - 7.59 = 16.31 - 7.5 =

在$\square$里填上合适的数字，使竖式成立。
$\begin{array}{r}\square\square.5\\-\ 34.\square\\\hline20.9\end{array}$ $\begin{array}{r}6.\square\\-\square.56\\\hline2.5\square\end{array}$ $\begin{array}{r}\square\square.4\\-\ 8.7\square\\\hline17.\square7\end{array}$

答案： 4.4@@9.76@@6.58@@4.45@@11.18@@2.27@@3.27@@5.49@@8.81@@ 5 5 . 5 - 3 4 . 6 —————— 2 0 . 9 6 . 1 - 3 . 5 6 —————— 2 . 5 4 2 6 . 4 - 8 . 7 3 —————— 1 7 . 6 7

12.48 + 7.74 = 75 - 15.49 = 25.12 - 18.5 =

98 + 11.93 = 52.36 + 17.9 = 87.93 - 64 =

109.7 + 2.39 = 50 - 27.39 = 5.23 + 4.07 =
36 - 0.94 = 25.4 - 13.46 = 15.42 - 7.38 =
27.03 - 7.69 = 69.47 - 54.8 = 126.74 + 9.8 =

答案： 20.22
@@59.51
@@6.62
@@109.93
@@70.26
@@23.93
@@112.09
@@22.61
@@9.3
@@35.06
@@11.94
@@8.04
@@19.34
@@14.67
@@136.54