Odpowiedzi

2010-03-18T18:47:55+01:00
A.
-3s(-2s-t-⅓)=6s^2+3st+s
B
(16z-2)*¾=12-(3/2)
C.
-(p+r)*4=-4p-4s
D.
a(c-b+3)=ac-ab+3a
E.
1⅓x(0,75+3)=(4/3)x(3,75)=(4/3)x(3 i 3/4)=(4/3)x(15/4)=5x
Najlepsza Odpowiedź!
2010-03-18T18:51:19+01:00
-3s(-2s-t-1/3)= 6s+3st+1
(16z-2)*3/4 = 4z - 1½
-(p+r)*4 = -4p- 4r
a(c-b+3) = ac-ab+3a
1⅓x(0,75+3)= x+4x = 5x
1 4 1