Răspuns :
Răspuns:
Explicație pas cu pas:
a) restul poate fi 0, 1, 2, 3, 4, 5, 6
7 x 11 + 0 = 77
7 x 11 + 1 = 78
7 x 11 + 2 = 79
7 x 11 + 3 = 80
7 x 11 + 4 = 81
7 x 11 + 5 = 82
7 x 11 + 6 = 83
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b) restul poate fi 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
10 x 13 + 0 = 130
10 x 13 + 1 = 131
10 x 13 + 2 = 132
10 x 13 + 3 = 133
10 x 13 + 4 = 134
10 x 13 + 5 = 135
10 x 13 + 6 = 136
10 x 13 + 7 = 137
10 x 13 + 8 = 138
10 x 13 + 9 = 139
10 x 13 + 10 = 140
A)
a : 7 = 11
a = 11 × 7
a = 77
b : 7 = 11 rest 1
b = 11 × 7 + 1
b = 77 + 1
b = 78
c : 7 = 11 rest 2
c = 11 × 7 + 2
c = 77 + 2
c = 79
d : 7 = 11 rest 3
d = 11 × 7 + 3
d = 77 + 3
d = 80
e : 7 = 11 rest 4
e = 11 × 7 + 4
e = 77 + 4
e = 81
f : 7 = 11 rest 5
f = 11 × 7 + 5
f = 77 + 5
f = 82
g : 7 = 11 rest 6
g = 11 × 7 + 6
g = 77 + 6
g = 83
B)
a : 10 = 13
a = 13 × 10
a = 130
b : 10 = 13 rest 1
b = 13 × 10 + 1
b = 130 + 1
b = 131
c : 10 = 13 rest 2
c = 13 × 10 + 2
c = 130 + 2
c = 133
d : 10 = 13 rest 3
d = 13 × 10 + 3
d = 130 + 3
d = 133
e : 10 = 13 rest 4
e = 13 × 10 + 4
e = 130 + 4
e = 134
f : 10 = 13 rest 5
f = 13 × 10 + 5
f = 130 + 5
f = 135
g : 10 = 13 rest 6
g = 13 × 10 + 6
g = 130 + 6
g = 136
h : 10 = 13 rest 7
h = 13 × 10 + 7
h = 130 + 7
h = 137
i : 10 = 13 rest 8
i = 13 × 10 + 8
i = 130 + 8
i = 138
j : 10 = 13 rest 9
j = 13 × 10 + 9
j = 130 + 9
j = 139