oblicz liczbę b, której 44% wynosi (-2)³÷(-1,6)-(4,5·1⅔-3,75)·⅗
Dziękuje z góry za pomoc :)
(-2)³÷(-1,6)-(4,5·1⅔-3,75)·⅗ =
= -8 / (-1,6)-(15/4)*3/4 =
= 5-(45/8)=
= -5/8
44% - -5/8
100% - x
x = 100%*(-5/8) / 44% = -1,56
W zaąłcznikach.Liczę na NAJ.
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(-2)³÷(-1,6)-(4,5·1⅔-3,75)·⅗ =
= -8 / (-1,6)-(15/4)*3/4 =
= 5-(45/8)=
= -5/8
44% - -5/8
100% - x
x = 100%*(-5/8) / 44% = -1,56
W zaąłcznikach.Liczę na NAJ.