\(a,9.5+8.10-27\)
\(=45+80-27\)
\(=125-27\)
\(=98\)
\(b,36:9+100-27.3\)
\(=4+100-81\)
\(=104-81\)
\(=23\)
\(c,29-\left[16+3.\left(51-49\right)\right]\)
\(=29-\left[16+3.2\right]\)
\(=29-\left[16+6\right]\)
\(=29-22\)
\(=7\)
a, 9.5 + 8.10 - 27
= 45 + 80 - 27
= 98
b, 36 : 9 + 100 - 27.3
= 4 + 100- 81
= 23
c, 29 - [ 16 + 3.( 51 - 49 ) ]
= 29 - [ 16 + 3. 2 ]
= 29 - 22
= 7
