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⅜+30 =
30⅜
-2,5+1,75x(-1³/₇)=
-2,5-25 =
-27,5
(1⅓ x4+0,4 x 2,5) x 0,75=
(5⅓+1)*0,75 =
6⅓*0,75 =
4,75
/ozn. kreske ulamkowa
* znak mnozenia
-2,5+1,75x(-1³/₇)= -2,5+1,75*(-10/7)=-2,5+175/7= -2,5+35=32,5
(1⅓ x4+0,4 x 2,5) x 0,75=(4/3*4+,4*2,5)*,75=(3+1)*,75=4*,75=3
Jesli znak ,,x'' oznacza u ciebie mnozenie to rownania sa rozwiazane dobrze ;)