Wykonaj mnożenie
/ = Ułamki zwykłe
a) (-5/9)*(6a -15)=
b) (p+1)*(-15/7)=
c) (6b-12c)*11/3=
Wykonaj mnożenie i zredukuj wyrazy podobne
a) 3*(7-3p)+2p=
b) 11d+6*(4d-12)=
c) (-5)*(12a+4)-7=
d) 36+(-2)*(31m+1)=
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Wykonaj mnożenie
a) (-5/9)*(6a -15)= (-5/9) * 6a + 5/9 * 15 = -10/3 a + 25/3
b) (p+1)*(-15/7)=-15/7 p - 15/7 *1
c) (6b-12c)*11/3= 6b* 11/3 - 12c * 11/3 = 66/3 b - 132/3 c = 22 b - 44c
Wykonaj mnożenie i zredukuj wyrazy podobne
a) 3*(7-3p)+2p= 21 - 9p + 2p = 21 - 7p
b) 11d+6*(4d-12)= 11d + 24d - 72 = 35d - 72
c) (-5)*(12a+4)-7= -60a -20 - 7 = - 60a -27
d) 36+(-2)*(31m+1)= 36 - 62m -2 = 34 - 62m
zad.1.
a) (-5/9)*(6a -15)= -30/9a + 75/9 = -3,3a + 8,3
b) (p+1)*(-15/7)= -15/7p - 15/7 = -2,1p-2,1
c) (6b-12c)*11/3= 66/3b - 132/3c = 22b-44c
zad.2.
a) 3*(7-3p)+2p= 21-9p+2p = 21-7p
b) 11d+6*(4d-12)= 11d+24d-72= 35d-72
c) (-5)*(12a+4)-7= -70a-20-7 = -60a-27
d) 36+(-2)*(31m+1)= 36-62m-2= 34-62m