Номер 1266
1) 9х – 9у = 9(х – у)
2) –2a – 2b = –2(a + b)
3) 7x + 7t = 7(x + t)
4) mх + mу = m(х + у)
5) 10р – yр = р(10 – y)
6) 5х + 5 = 5x + 5 • 1 = 5(х + 1)
7) 2ma + 2mb = 2m(a + b)
8) 3aу – 3ax = 3a(у – x)
1) 9х – 9у = 9(х – у)
2) –2a – 2b = –2(a + b)
3) 7x + 7t = 7(x + t)
4) mх + mу = m(х + у)
5) 10р – yр = р(10 – y)
6) 5х + 5 = 5x + 5 • 1 = 5(х + 1)
7) 2ma + 2mb = 2m(a + b)
8) 3aу – 3ax = 3a(у – x)