Odpowiedź:
a) w-5
19-5=14
b) 4x = 4*9 = 36
c) 5d/4 = (5*8)/4 = 40/4 = 10
d) 4a - 5b = 4*5 - 5*3 = 20 - 15 = 5
e) 7d + 5c = 7*13 + 5*15 = 91 + 75 = 166
f) 3t + 5r = 3*(-3) + 5*5 = -9 + 25 = 16
g) z^3 = 6^3 = 6*6*6 = 36*6 = 216
h) 5(b-n) = 5(8 - 6) = 5*2 = 10
i) s - 9(3c - 5) = 45 - 9(3*8 - 5) = 45 - 9*(24 - 5) = 45 - 9*19 = 45 - 171 = -126
Szczegółowe wyjaśnienie:
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Odpowiedź:
a) w-5
19-5=14
b) 4x = 4*9 = 36
c) 5d/4 = (5*8)/4 = 40/4 = 10
d) 4a - 5b = 4*5 - 5*3 = 20 - 15 = 5
e) 7d + 5c = 7*13 + 5*15 = 91 + 75 = 166
f) 3t + 5r = 3*(-3) + 5*5 = -9 + 25 = 16
g) z^3 = 6^3 = 6*6*6 = 36*6 = 216
h) 5(b-n) = 5(8 - 6) = 5*2 = 10
i) s - 9(3c - 5) = 45 - 9(3*8 - 5) = 45 - 9*(24 - 5) = 45 - 9*19 = 45 - 171 = -126
Szczegółowe wyjaśnienie: