Question

7,8*2,7/9*0.3*3.9  как решить пример 

Answer 1

7,8*2,7/9*0,3*3,9=2.7378
1)2,7/9=0.3
2)0.3*0.3=0.09
3)7.8*0.09=0.702
4)0.702*3.9=2.7378