數學練習/小數的加減法

加或減以下小數。

1

$4.72+5.41=$

2

$6.42-2.52=$

3

$43.62+21.542=$

4

$0.646+0.243=$

5

$36.3636+5.0511=$

6

$1.486-1.286=$

7

$75.3+35.82-46.672=$

8

$56.47-2.983+33.51=$

9

$42.485-31.285=$

10

$(42.46+35.28)-25.382=$

11

$103.284-45.583-26.095=$

12

$64.01+35.6-90.72=$

13

$53.24-(36.99+5)+67.42=$

14

$79.057+(45.63-37.392)=$

15

$85.382-(37.38+46.05)=$

16

$242.48-240.02=$

17

$13.13+56.56=$

18

$532.574-532.573=$

19

$354.2+(217.35-131.37)=$

20

$43.3+(56.386+43.385-56.3)=$

21

$65.62+752.25=$

22

$(453.86+792.38)-(1,012.8+54.38)=$

23

$(34.5+45.6-56.7)+9.365=$

24

$894.35+542.572-(1,136.09+11)=$

25

$76.63+53.68-104.03=$

26

$542.46+342.63-65.73-102.36=$

27

$2,326.356-1,246.35=$

28

$977.695+135.3573=$

29

$346.2+54.36326+65.4564=$

30

$654.67+455.473-345.32=$

31

$764.663+453.563262-57.25643=$

32

$134.7468-57.357+125.35633-34.35+205.0042=$