5.4+7.6-4.5
=13-4.5
=8.5
9.7-0.1+3.2
=9.6+3.2
=12.8
7.9+4.3-7.1
=12.2-7.1
=5.1
7.3+5.2+3.8
=12.5+3.8
=16.3
6.2-1.5+7.4
=4.7+7.4
=12.1
5.4+7.6-4.5
=13-4.5
=8.5
9.7-0.1+3.2
=9.6+3.2
=12.8
7.9+4.3-7.1
=12.2-7.1
=5.1
7.3+5.2+3.8
=12.5+3.8
=16.3
6.2-1.5+7.4
=4.7+7.4
=12.1