zad.6
Oblicz liczbę, której 43% wynosi
∛3⅜+(-3)²×1½-(1-2¼)²=
∛²⁷/₈+9׳/₂-(-1¼)²=
³/₂+²⁷/₂-²⁵/₁₆=
³⁰/₂-²⁵/₁₆=
²¹⁵/₁₆=13,4375
szukana liczba=x
43%x=13,4375
0,43x=13,4375
x=13,4375:0,43
x=31,25
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∛3⅜+(-3)²×1½-(1-2¼)²=
∛²⁷/₈+9׳/₂-(-1¼)²=
³/₂+²⁷/₂-²⁵/₁₆=
³⁰/₂-²⁵/₁₆=
²¹⁵/₁₆=13,4375
szukana liczba=x
43%x=13,4375
0,43x=13,4375
x=13,4375:0,43
x=31,25