Question

1)120:(25-х)=10
2)240:(70-х)=10
3)(х•16)•8=80
4)(180:х)•4=24

Answer 1

120:(25-х)=10;
25-х=120:10;
25-х=12;
х=25-12;
х=13;
Ответ:13
240:(70-х)=10;
70-х=240:10;
70-х=24;
х=70-24;
х=46;
Ответ:46

(180:х)*4=24;
180:х=24:4;
180:х=6;
х=180:6;
х=30;
Ответ:30