упростите вырожение а)-9n*(-5a) d)-7*(3a)*(-2c) w)5a*(-0,46) g)0,12*(0,5k)*2,7m ...

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упростите вырожение а)-9n*(-5a) d)-7*(3a)*(-2c) w)5a*(-0,46) g)0,12*(0,5k)*2,7m ПОЖАЛУЙЧТА СРОЧНО ПОМОГИТЕ

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Verified answer

А)-9n*(-5a)=(9*5)an=45an;

d)-7*(3a)*(-2c)=(7*3*2)ac=42ac;

w)5a*(-0,46)=-(5*0.46)a=-2.3a;

g)0,12*(0,5k)*2,7m=0.12*0.5k*2.7m=(0.12*0.5*2.7)km=0.162km;

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5b12043672

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Verified answer

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za 4 chasa motornaya lodka proplyla 129 2 kilometra i 67 6 km za 2 chasa kakova

reshite pliz nomer 352 puteshestvennik shel 2 chasa so skorostyu 6 3 kilometrov v ch

chislo 108 srednee arifmeticheskoe chisel96i anajdite chislo a reshite pliz

chislo 98 sredneearifmiticheskoe chisel63 i anajdi chislo a

pomogite s angliskim bilet nomer deset

5b12043672

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