Срочно #4 !!!!!!!!!!!!!!!!

Question

Срочно #4 !!!!!!!!!!!!!!!!

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Answer 1

А)1)873+325=1198

2)1198+127=1325

б)1)3486+1998=5484

2)5486-5484=2
в)1)36х85=3060
2)64х85=5440
3)3060+5440=8500
г)1)4х505=2020
2)2020х25=50500

Answer 2

1)(873+325)+127=1325
2)(5486+1998)-5486=1998