47,23+32,66 9,46-0,45 2)47,23+(32,77-16,11) 3)(46,83+15,,83-4,02)

47, 23+32,66=79, 89

9, 46 - 0, 45 = 9, 01

47, 23+(32, 77 - 16, 11) = 47, 23 +16, 66 = 63, 89

(46, 83+15, 17)-(16, 83 - 4, 02) = 62 - 12, 81 = 49, 19

47.23+32.66=79.89

9.46-0.45=9.01

47.23+(32.77-16.11)=47.23+16.66=63.89

(46.83+15.17)-(16.83-4.02)=62.00-12.81=49.19