Ответы и объяснения

2013-03-26T15:14:32+04:00

103300:(x+297)=100                                                                                                                                х+297 =103300:100                                                                                                                       х+297=1033                                                                                                                                         х=1033-297                                                                                                                                                 х=736                                                                                                                                                          103300:(736+297)=100                                                                                                                        100=100                                                                                                                                                      Ответ: х=736         1000-х*8=8  х*8=1000-8    х*8=992           х=992:8  х=124     1000-124*8=8