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Somma con lo zero
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1
Come posso chiamare un numero qualsiasi?
n
A
b
c
K
h
N
a
k
2
$n+0=?$
0
$n$
3
$0+A=?$
0
$A$
4
$3+0=?$
0
3
5
$0+\frac{3}{5}=$?
$\frac{3}{5}$
0
6
$k-0=?$
0
k
-k
7
$\frac{1}{6}-0=?$
0
$-\frac{1}{6}$
$\frac{1}{6}$
8
$-\frac{3}{7}-0=?$
$-\frac{3}{7}$
0
$\frac{3}{7}$
9
$0-n=?$
$0+(-n)$$
$n-0$
$-n$
10
$0-7=?$
7
0
-7
11
$1+0=?$
1
0
12
$-4+0=?$
-4
0
13
$0-\frac{3}{8}=$?
$-\frac{3}{8}$
0
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