2025年学霸的暑假计算暑期大通关四升五数学第7页答案
1. 直接写出得数。(20☆)
$83 + 19 = $
102
$780 - 140 = $
640
$2.6 + 0.9 = $
3.5
$1.4 + 0.6 - 1.4 = $
0.6

$639 ÷ 3 = $
213
$2.8 × 100 = $
280
$457 - 302 = $
155
$567 - 175 - 25 = $
367

$18.3 + 0.7 = $
19
$39 × 40 = $
1560
$400 - 199 = $
201
$827 - 59 - 241 = $
527

$28 × 60 = $
1680
$714 ÷ 7 = $
102
$408 ÷ 8 = $
51
$678 - 372 - 28 = $
278

$720 - 240 = $
480
$4.5 + 3.6 = $
8.1
$150 × 9 = $
1350
$14.7 + 6.3 - 3.7 = $
17.3

$85 + 35 = $
120
$10 - 8.8 = $
1.2
$80 × 25 = $
2000
$4.8 + 0.6 + 0.4 = $
5.8

$488 ÷ 4 = $
122
$25 × 200 = $
5000
$0.5 × 1000 = $
500
$3.5 - 0.9 + 6.5 = $
9.1

$38 × 20 = $
760
$666 ÷ 6 = $
111
$20.5 ÷ 100 = $
0.205
$360 ÷ 25 ÷ 4 = $
3.6

$40 × 60 = $
2400
$30.5 - 13.5 = $
17
$20.6 - 3.2 = $
17.4
$4.8 - 0.6 + 4.8 = $
9

$280 × 5 = $
1400
$14.9 + 6.1 = $
21
$848 ÷ 8 = $
106
$25 × 3 × 8 = $
600

答案

102 640 3.5 0.6 213 280 155 367 19 1560 201 527 1680 102 51 278 480 8.1 1350 17.3 120 1.2 2000 5.8 122 5000 500 9.1 760 111 0.205 3.6 2400 17 17.4 9 1400 21 106 600
2. 列竖式计算,带*的要验算。(20☆)
$9.6 + 36.94 = $
46.54
$51.75 - 7.5 = $
44.25
$*92.8 - 8.35 = $
84.45

$235 × 59 = $
13865
$698 ÷ 18 = $
38……14
$*4570 ÷ 15 = $
304……10

答案

46.54 44.25 84.45 13865 38……14 304……10
3. 计算下面各题,能简算的要简算。(18☆)
$54 + 49 × 99 + 45$ $13.61 + 4.8 + 5.2 + 5.39$ $(459 - 327) ÷ 8 ÷ 125$
$57.5 - 4.25 - 15.75$ $19.625 - (4.76 + 9.625)$ $45 × 86 + 45 × 25 + 111 × 55$

答案

4950 29 0.132 37.5 5.24 11100