Rozwiąż i sprawdź.
11 1/3 * x = 4
9 3/5 : a = 4 1/5
a)
34/3x = 4 /*3
34x = 12 /:34
x = 6/17
Sprawdzenie:
L = 34/3 * 6/17 = 204/51 = 4
P = 4
b)
48/5 : a = 21/5 /*a a ≠ 0
48/5 = 21/5a /*5
48 = 21a
-21a = -48 /:(-21)
a = 16/7
L = 48/5 :16/7 = 48/5* 7/16 = 336/80 = 21/5
P = 21/5
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a)
11 1/3 * x = 4
34/3x = 4 /*3
34x = 12 /:34
x = 6/17
Sprawdzenie:
L = 34/3 * 6/17 = 204/51 = 4
P = 4
b)
9 3/5 : a = 4 1/5
48/5 : a = 21/5 /*a a ≠ 0
48/5 = 21/5a /*5
48 = 21a
-21a = -48 /:(-21)
a = 16/7
Sprawdzenie:
L = 48/5 :16/7 = 48/5* 7/16 = 336/80 = 21/5
P = 21/5