P. S. на первой картинке текст, на второй задание 5 которое надо решить

31/3-(4 1/5x+x): 5 4/7= 8/153 1/3-4 1/5x-x: 5 4/7= 8/15       4 1/5x-x=3 1/5x 3 1/3-3 1/5x: 5 4/7= 8/15 3 1/3- 3 1/5x= 8/15                  3 1/3*5 4/7=10/3*39/7=10/1*13/7=130/7=18 4/7           5 4/7                            8/15*5 4/7=8/15*39/7=8/5*13/7=104/35=2 34/35 18 4/7-3 1/5x=2 34/35 -3 1/5x=2 34/35-18 4/7       2 34/35-18 4/7=104/35-130/7=104/35-650/35=-546/35=   -3 1/5x=-15 3/5                                        =-15 21/35=-15 3/5 x=-15 3/5: (-3 1/5)               15 3/5: 3 1/5=78/5: 16/5=78/5*5/16=39/1*1/8=39/8=4 5/8 x=4 5/8

1) WENT
2) WAS WERE
3) CAME
4) MET
5)TOLD

I live in Moscow. In Moscow live about 12 million people. Moscow is a capital of Russia. Moscow is very big and interesting city . Moscow has interesting history. I love Moscow

The computer performs complicated calculations.
1.Does the computer perform complicated calculations?
2. Who performs complicated calculations?
3. What does the computer perform?