Question

1000·7+(444·7-399·7)-(665·7+353·7)

Answer 1

Вот такое решение.

1000*7 + (444*7 - 399*7) - (685:353*7) = 7000 + 18963 - 3 = 25960

1000·7+(444·7-399·7)-(665·7+353) При x=7

Answer 2

1000*7+(4447-399×7).

Answer 3

7000+(4447-2793) 7000+1654 =8000.

Answer 4

7000+(3108-2793)-(4655+2471)=7000+(315-7126)=7000-6811=189