va rog frumos sa ma ajutați!!!dau coroana

(15+9)x10= 15+9x10=24x10= 240
100x(23+341)= 100x364=36400
1000x(21+314)=1000x335=335000
(543-207)x100=336x100=33600
(905-327)x1000=578x1000=578000
100x(9230-8103)=100x1127=112700