Question

Calculati 27supra10+1,47+2,23

Answer 1

 

$\displaystyle\bf\\\frac{27}{10}+1,\!47+2,\!23=\\\\\\=\frac{27}{10}+\frac{147}{100}+\frac{223}{100}=\\\\\\=\frac{270}{100}+\frac{147}{100}+\frac{223}{100}=\\\\\\=\frac{270+147+223}{100}=\\\\\\=\frac{270+147+223}{100}=\frac{270+370}{100}=\frac{640}{100}=\frac{64}{10}=\boxed{\bf6,\!4}$

 

 

 

Answer 2

Răspuns:

Explicație pas cu pas:

27/10= 2,7

2,7 + 1,47 +2,23 =

2,7 + 3,7 =

6,4

sau

27/10= 270/100

1,47 = 147/100

2,23= 223/100

270/100+147/100+223/100=

640/100=

6,4

succes