48.5-0.32×6
=48.5-1.92
=46.58
1.08×0.8÷0.27
=0.864÷0.27
=3.2
44.28÷0.9÷4.1
=49.2÷4.1
=12
9.07-22.78÷3.4
=9.07-6.7
=2.37