oblicz
(a+2b)*(-3) dla a = -4 a b =
(-4ab+3) dla a=1/8 b =4
dla a= a b=
dla p=6 g=-1
dla x=-2 a y =
trzeba podstawić i obliczyc a nie tylko podstawic
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a)(* -4+2* )*(-3)= (-2 + 1) * -3 = -1*-3= 3
b) (-4*1/8 *4+3) =-*4+3= -2+3= 1
c)2* - 4*= 2* - = - = 0
d) * - 2 * = * 36 - 2 * -1= +2=
e) - 3*(-2)* + 4* -2 = 4+3 + 2-2= 7