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Daca a+b =5,07 si c 0,12 ,calculati
A)a+b+c
B)2a +2b +c
C)ac+bc

Răspuns :

Gabrielmiroiu
a) a+b=5,07 |
c=0,12 |=>a+b+c=5,07+0,12=5,19
b) 2a+2b+c=2 (a+b)+c=2 ori 5,07+0,12=10,14+0,12=10,26
c)ac+bc=c (a+b)=0,12×5,07=0,6
A) a+b+c= 5.07 + 0.12 = 5.19
B) 2a+2b+c= 2*5.07 +0.12 =10.14+0.12= 10.26
C) ac+bc= 2.535*0.12 + 2.535*0.12= 0.3042+0.3042 = 0.6084

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