\(a,8,25+4,5\times2,1\\ =8,25+9,45\\ =17,7\\ b,263,24:\left[31,16+34,65\right]-0,71\\ =263,24:65,81-0,71\\ =4-0,71\\ =3,29\\ c,\left[51,24-8,2\right]:26,9:5=43,04:26,9:5\\ =1,6:5\\ =0,32\)
a,8,25 + 4,5 ×2,1
= 8,25 + 9,45
= 17,7
b,263,24 : [31,16 + 34,65] − 0,71
= 263,24 : 65,81 − 0,71
= 4 − 0,71
= 3,29
c, [51,24 − 8,2] : 26,9 : 5
= 43,04 : 26,9 : 5
= 1,6 : 5
= 0,32
\(a,8,25+4,5×2,1\)
\(=8,25+9,45\)
\(=17,7\)
\(=8,25+9,45\)
\(=263,24:65,81−0,71\)
\(=4−0,71\)
\(=3,29\)
\(c,[51,24−8,2]:26,9:5\)
\(=43,04:26,9:5\)
\(=1,6:5\)
\(=0,32\)
