Ответы и объяснения

2012-12-05T15:47:23+00:00

0.3*√ 289 = 0.3 * 17 = 5.1

-4*√0.81 = -4 * 0.9 = -3.6
2*√0.0121 + √100 = 2*0.11 + 10  = 0.22 + 10 = 10.22