Как решить столбиком 69 у мн ож еть на

у:8=3562            у:(8*2)=3562:2

у=3562*8            у:16=1781

у=28496             у=1781*16

                         у=28496

 

а*7=14224         а*(7+3)=14224+6096

а=14224:7         10а=20320

а=2032               а=20320:10          

                          а=2032

 

6х=2142                         6х + 200=2342

х=2142:6                         6х=2342-200

х=357                              6х=2142

                                       х=2142:6

                                        х=357

 

R:9 - 500 =18597            R:9=19097

R:9=18597+500               R=19097*9

R:9=19097                      R=171873

R=19097*9

R=171873