a) 76,58 + ( 25,44 + 24,56 )
= 76,58 + 50
= 126,58
b) ( 23,43 + 26,57 ) + ( 28,48 + 21,52 )
= 50 + 50
= 100
c)( 15,35 + 14,65 ) + 24,56
= 30 + 24,56
= 54,56
d) 26,52 + ( 18,37 + 17,63 )
= 26,52 + 36
= 62,52
a. 76,58+25,44+24,56
=76,58+(25,44+24,56)
=76,58+50
=126,58
b. 23,43+ 28,48+ 21,52+26,57
=(23,43+26,57)+(28,48+21,52)
=50+50
=100
c. 15,35+24,56+14,65
=(15,35+14,65)+24,56
=30+24,56
54,56
a)
\(=76,58+\left(25,44+24,56\right)\\ =76,58+50=126,58\)
b)
\(=\left(23,43+26,57\right)+\left(28,48+21,52\right)=50+50=100\)
c)
\(=\left(15,35+14,65\right)+24,56=30+24,56=54,56\)
d)
\(=26,52+\left(18,37+17,63\right)=26,52+36=62,52\)
d. 26,52+18,37+17,63
=26,52+(18,37+17,63)
=26,52+36
=62,52
a)
\( 76,58+25,44+24,56 \)
\(=102,02+24,56\)
\(=126,58\)
b)
\(23,43+ 28,48+ 21,52+26,57 \)
\(=51,91+21,52+26,57\)
\(=73,43+26,57\)
\(=100\)
c)
\(15,35+24,56+14,65 \)
\(=39,91+14,65\)
\(=54,56\)
d)
\(26,52+18,37+17,63\)
\(=44,89+17,63\)
\(=62,52\)
\(a,76.58+25.44+24.56=76.58+\left(25.44+24.56\right)=76.58+50=126.58\)
\(b,23.43+28.48+21.52+26.57=\left(23.43+26.57\right)+\left(28.48+21.52\right)=50+50=100\)
\(c,15.35+24.56+14.65=\left(15.35+14.65\right)+24.56=30+24.56=54.56\)
\(d,26.52+18.37+17.63=26.52+\left(18.37+17.63\right)=26.52+36=62.52\)
`a. 76,58+25,44+24,56 `
`= 76,58 + ( 25,44 + 24,56 )`
`= 76,58 + 50 = 126,58`
`b. 23,43+ 28,48+ 21,52+26,57`
`= (23,43+26,57)+(28,48+21,52)`
`=50+50=100`
`c. 15,35+24,56+14,65`
`=(15,35 + 14,65 ) + 24,56 `
`=30+24,56`
`=54,56`
`d. 26,52+18,37+17,63`
`=26,52+ ( 18,37+17,63 )`
`=26,52 + 36`
`=62,52`
