напишите по действиям
(402*106+120*50)-6000
(34*205-109*28):2
180*150-(48*70-27*70)
1040:20(140+76+260)-9 908

(402*106+120*50)-6000=42612                 (34*205-109*28):2=1959
1) 402*106=42612                                        1)34*205=6970

2) 120*50=6000                                              2)109*28=3052

3)42612+6000=48612                                      3)6970-3052=3918

4)48612-6000=42612                                      4)3918:2=1959