Pol.Oblicz wartośćliczbową w wyrażeniach.
a)7c-2d+3
c=0,3 d=1
b)7a-2b+9c
a=1 b=-7 c=9
7*0,3-2*1+3=2,1-2+3=3,1
7*1-2*(-7)+9*9=7+14+81=102
a) 7c-2d+3
7*0,3-2*1+3=2,1-2+3=0,1+3=3,1
b) 7a-2b+9c
7*1-2*(-7)+9*9=7-(-14)+81=7+14+81=21+81=102
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a)7c-2d+3
c=0,3 d=1
7*0,3-2*1+3=2,1-2+3=3,1
b)7a-2b+9c
a=1 b=-7 c=9
7*1-2*(-7)+9*9=7+14+81=102
a) 7c-2d+3
7*0,3-2*1+3=2,1-2+3=0,1+3=3,1
b) 7a-2b+9c
7*1-2*(-7)+9*9=7-(-14)+81=7+14+81=21+81=102