2025年学霸的暑假计算暑期大通关四升五数学第56页答案
1. 直接写出得数。(20☆)
$3.63 ÷ 3 = $
1.21

$8 × 0.4 = $
3.2

$18 × 0.4 = $
7.2

$21.4 × 50 = $
1070

$3.9 × 2 = $
7.8

$300 × 0.3 = $
90

$7.2 ÷ 1.6 = $
4.5

$3.2 × 70 = $
224

$0.7 × 0.3 = $
0.21

$0.72 × 5 = $
3.6

$0.8 × 0 = $
0

$5.05 ÷ 10.1 = $
0.5

$0.63 ÷ 0.2 = $
3.15

$4.6 × 3 = $
13.8

$2.05 × 6 = $
12.3

$40 × 28.2 = $
1128

$3.95 × 4 = $
15.8

$19.8 ÷ 0.3 = $
66

$3.2 × 2.5 = $
8

$90.3 ÷ 3 = $
30.1

$2.64 ÷ 2 = $
1.32

$4.8 ÷ 8 = $
0.6

$15.6 ÷ 4 = $
3.9

$5.6 ÷ 1.4 = $
4

$1.2 × 2 = $
2.4

$2.1 × 0.4 = $
0.84

$3 × 0.04 = $
0.12

$3.75 ÷ 0.5 = $
7.5

$3.6 ÷ 0.6 = $
6

$570 ÷ 100 = $
5.7

$3.6 ÷ 1.8 = $
2

$0.75 × 4 = $
3

$6 × 0.7 = $
4.2

$7 × 0.7 = $
4.9

$0.9 × 0.8 = $
0.72

$3.06 ÷ 3 = $
1.02

$21.4 × 0.5 = $
10.7

$1.45 + 2.3 = $
3.75

$17.9 - 9.81 = $
8.09

$40 × 0.01 = $
0.4

答案

1.21 3.2 7.2 1070
7.8 90 4.5 224
0.21 3.6 0 0.5
3.15 13.8 12.3 1128
15.8 66 8 30.1
1.32 0.6 3.9 4
2.4 0.84 0.12 7.5
6 5.7 2 3
4.2 4.9 0.72 1.02
10.7 3.75 8.09 0.4
2. 在$◯$里填上“＞”“＜”或“=”。(6☆)
$5.126 × 0.01 ◯$
＜
$0.01 + 5.126$
$6.35 ÷ 1.01 ◯$
＜
$6.35 × 1.01$
$3.56 ÷ 5.36 ◯$
＜
$1$
$6.27 ÷ 0.75 ◯$
=
$627 ÷ 75$
$5.24 × 1.01 ◯$
＞
$5.24$
$6.587 ÷ 0.125 ◯$
=
$6.587 × 8$

答案

＜ ＜ ＜ = ＞ =
3. 解方程。(12☆)
$4x - 1.6 = 9.6$
$ x = 2.8 $

$0.8(x - 8) = 2$
$ x = 10.5 $

$2.5x + 1.6x = 20.5$
$ x = 5 $

答案

$ x = 2.8 $ $ x = 10.5 $ $ x = 5 $
4. 列竖式计算,带*的保留两位小数。(13☆)
$2.07 × 3.4 = $
7.038

$1.65 ÷ 1.5 = $
1.1

$*20.05 ÷ 32 ≈$
0.63

答案

7.038 1.1 0.63