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CORONITA ! URGENT ! PENTRU MAINE !


Calculati:0,1·{4+[tex] 10^{3} [/tex]·[100·0,01+5,2·(4-1,2·0,1)]}

Răspuns :

Spidie
0,1·{4+10³·[100·0,01+5,2·(4-1,2·0,1)]} =0,1·{4+·[1+5,2·(4-12/10·1/10)]}=
=0,1·{4+·[1+5,2·(400/100-12/100)]}=0,1·[4+·(1+52/10·388/100)]=
=0,1·[4+·(1+20176/1000)]=0,1·(4+30176/1000)=0,1·(4000/100+ +30176/1000)=0,1*70,176=7,0176