1.
8704+х=89*7276
8704+х=647564
х=647564-8704
х=638860
2.
х*(375+25):5=1586+30414
x*400:5=32000
x*80=32000
x=32000:80
x=400
1.
8704+х=89*7276
8704+х=647564
х=647564-8704
х=638860
2.
х*(375+25):5=1586+30414
x*400:5=32000
x*80=32000
x=32000:80
x=400