`a) 17,4×0,3+5,12:1,6`
`=5,22+3,2`
`=8,42`
`b) 87:6×(4,4+2,8)`
`=14,5×7,2`
`=104,4`
a: =5,22+3,2=8,32
b: =14,5x7,2=104,4
\(\text{17,4 x 0,3+5,12:1,6}\)
= 5.22 + 3.2
= 8.42
\(87:6\times7,2\)
\(=14,5\times7,2\)
\(=104,4\)
17,4 x 0,3+5,12:1,6= 43
87:6x(4,4+2,8)= 203