2+3i/(4+i)(2-2i) = 2+3i/8-8i+2i-2i^2 = 2+3i/8-6i-2i^2
300 граммов * 5 = 1500 граммов = 1,5 кг
Х:0,03=40,2
х=40,2*0,03
х=0,206
Ответ:1,206.
jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjnnnnnnnnnnnnnnnnnnnnnnnnnnnnrrrrrrrrrrrrrrrrrrrrrrrrrrxccccccccccccccccccccrrrrrrrrrrrrrrrrrrrrbbbbbbbbbbbbbbbbbbbbbbb 219: 3- 57 = 16
1дм1см= 11см
11-10 =1 см длина второго отрезка
11+1 = 12 cм длина третьего отрезка