10 POINTS! EASY, ORDER OF OPERATIONS. PLEASE HURRY.

a) 1.2 +3.1×2 -(2.7 +0.6)/3
.. = 1.2 +3.1×2 -3.3/3
.. = 1.2 +6.2 -1.1
.. = 6.3

b) 9.9 +5×4.6
.. = 9.9 +23
.. = 32.9

c) 7×(6 +7.1)
.. = 7×13.1
.. = 91.7

Any good calculator can properly solve these.