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(-175:(-5)-(-189):(-9)=35-11=24
(-4 i jedna szósta + 5 i jedna czwarta)*(-2 i dwie piąte)-(-1 i tzry ósme-2 i trzy czwarte):(- jedenaście dwaudziestych czwartych=
/znak ułamka(NIE DZIELENIA!!!!)
(-4 1/6+5 1/4)*(-2 2/5)-(-1 3/8-2 3/4)=(-4 2/12+5 3/12)*(-2 2/5)-(-1 3/8-2 6/8)=1 1/12*(- 12/5)-(-4 1/8)=13/12*(-12/5)+4 1/8=-13/5+4 1/8=-2 3/5+4 1/8=-2 24/40+4 5/40=1 21/40
= (-25) * 8 - (-28) = 200 - (-28) = 172
(-175) : (-5) - (-189) : (-9) = 35 - 21 = 14
((-4 1/6) + 5 1/4) * (-2 2/5) - ((-1 3/8 - 2 3/4) : (-11/20) =
2/24 * (-2 2/5) - (-4 1/8) : (-11/20) = 2/10 - 7 2/4 = (-7 6/20)