17+23=40
91.52+7.83 +122.5=221.85
18.3-9.8=8.5
2.5 + 8.063 -15.42 = - 4.857
7.3+9.5+9.5+9.5 = 35.8
17-6-6+7.4+7.4 = 19.8
2.4-1.4-1.4 —1.4= —1.8
22
Addition und Subtraktion
Addition and subtraction
Addition et soustraction
Adicion y sustraccion
1*917 0 23 El
40.
N 91.52 O 7.83 D 122.5 D
221.85
B 18.3 El 9.8 B
8.5
B 2.5 D 8.063 B 15.42 B
-4.857
B 7.3095000
35.8
B 17 B6BB 7.4BB
19.8
n 2.4
a
i,5 eh 1.4
a a a
-
1.8