Номер 1251
1) –0,4х • (–2) = 0,08
0,8х = 0,08
х = 0,08 : 0,8
х = 0,1
2) –8/15 • х • (–3 1/4) = 2
–8/15 • х • (–13/4) = 2
26/15х = 2
х = 2 : 26/15
х = 2 • 15/26
х = 15/13
х = 1 2/13
1) –0,4х • (–2) = 0,08
0,8х = 0,08
х = 0,08 : 0,8
х = 0,1
2) –8/15 • х • (–3 1/4) = 2
–8/15 • х • (–13/4) = 2
26/15х = 2
х = 2 : 26/15
х = 2 • 15/26
х = 15/13
х = 1 2/13