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b. 1+2x
c. 3kl+2mk
d. -pr+5sp
proszę:)
1/2(3a-2)= 1,5a-1
b)
2/3(1,5+3x)= 1+2x
c)
k(3l+2m= 3kl+2mk
d)
-p(r-5s)= -pr+5ps