1/3 = (1*4) / (3*4) = 4/12 = 3/12 + 1/12 = 1/4 + 1/121/5 = (1*6) / (5*6) = 6/30 = 5/30 + 1/30 = 1/6 + 1/301/7 = (1*10) / (7*10) = 10/70 = 7/70 + 2/70 + 1/70 = 1/10 + 1/35 + 1/701/9 = (1*4) / (9*4) = 4/36 = 3/36 + 1/36 = 1/12 + 1/36<span>1/11 = (1*6) / (11*6) = 6/66 = 3/66 + 2/66 + 1/66 = 1/22 + 1/33 + 1/66</span>
32 уч. - 100%, 7 уч. - х. Значит х=(7*100)/32=22%
<span>-0.2*3.8-3.7*(-0.2)/(-2/3+2 4/9)*9= (-0,76+0,74)/(26/9)9=0,02*26=0,52</span>
9м 4дм=94дм
9м 4см=904см
9м 4мм=9004мм
9км 4м=9004м
9т 4кг=9004кг
9ц 4кг=904кг
9дм 4см=94см
9ч 4мин=544мин