Oblicz: a.18/7 x (-6/25) x 35/36 = b. - 6/7 : (- 2 i 2/3) x 1 i 5/9 = c. 8/15 x (-20/9) x (-81/64) =
NataliaM94
A.18/7 x (-6/25) x 35/36 =-27/70 b. - 6/7 : (- 2 i 2/3) x 1 i 5/9 =1/2 c. 8/15 x (-20/9) x (-81/64) =3/2 to 1 i 1/2
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Zgłoś nadużycie!
A.18/7 x (-6/25) x 35/36 = = 18/7* (-7/30)= = -18/30= = -6/10= =-3/5 b. - 6/7 : (- 2 i 2/3) x 1 i 5/9 = = -6/7:(8/3)*14/9= = -6/7*(-7/12)= = 1/2 c. 8/15 x (-20/9) x (-81/64) = = -32/3*(- 9/4)= = 3/2 = 1 i 1/2
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EwelinkaM
A)18/7 x (-6/25) x 35/36 =-108/175 × 35/36= -3/5 b)- 6/7 : (- 2 i 2/3) x 1 i 5/9 = 9/28 × 1i 5/9=1/2 c)8/15 x (-20/9) x (-81/64) = -32/27 ×-81/64=3/2
b. - 6/7 : (- 2 i 2/3) x 1 i 5/9 =1/2
c. 8/15 x (-20/9) x (-81/64) =3/2 to 1 i 1/2
= 18/7* (-7/30)=
= -18/30=
= -6/10=
=-3/5
b. - 6/7 : (- 2 i 2/3) x 1 i 5/9 =
= -6/7:(8/3)*14/9=
= -6/7*(-7/12)=
= 1/2
c. 8/15 x (-20/9) x (-81/64) =
= -32/3*(- 9/4)=
= 3/2
= 1 i 1/2
b)- 6/7 : (- 2 i 2/3) x 1 i 5/9 = 9/28 × 1i 5/9=1/2
c)8/15 x (-20/9) x (-81/64) = -32/27 ×-81/64=3/2