1 2/3 z x to 3 3/4 , czyli:
1 2/3 * x = 3 3/4
5/3x = 15/4 /* 3/5
x = 15/4 * 3/5
x = 9/4
x = 2 1/4 < -- odp
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1 2/3 z x to 3 3/4 , czyli:
1 2/3 * x = 3 3/4
5/3x = 15/4 /* 3/5
x = 15/4 * 3/5
x = 9/4
x = 2 1/4 < -- odp