Question

Помогите решить плиз.а)19,1y+121,4+0,9y при y=48,5 б)5,6m+8,4m+186,4 при m=35,5

Answer 1

19.1y+121.4+0.9y=20y+121.4
при y=48.5
20*48.5+121.4=970+121.4=1091.4

5.6m+8.4m+186.4=14m+186.4
при m=35.5
14*35.5+186.4=497+186.4=683.4