Odpowiedź:
1) 17 + 4a = 49
4a = 32
a = 8
2) 14b = 49
b = 7/2
3) 8 * 10 + 2 * 5 * c = 120
80 + 10c = 120
10c = 40
c = 4
4) 12 * d = 96
d = 8
Szczegółowe wyjaśnienie:
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Odpowiedź:
1) 17 + 4a = 49
4a = 32
a = 8
2) 14b = 49
b = 7/2
3) 8 * 10 + 2 * 5 * c = 120
80 + 10c = 120
10c = 40
c = 4
4) 12 * d = 96
d = 8
Szczegółowe wyjaśnienie: