14 часов = 13 часов 59 мин и 60 сек
13 час 59 мин 60 сек - 12 сек = 13 час 59 мин 48 сек
97м=9700см+20см=9720:9=1080см
3ц=300кг+4 кг=304:8=38кг
10т=100ц+5ц=105:5=21ц
42км=42000м+40м=42040:4=10510м
8*8*8=512
512-506=6
10*10*10=1000
1000-534=466
Ответ:
18/30 и 15/18,
\frac{15}{18}= \frac{3*5}{6*3}= \frac{5}{6} = \frac{5*5}{6*5}= \frac{25}{30} \\ \\ \frac{25}{30} u \frac{18}{30}
28/40 И 10/45 ,
\frac{28}{40}= \frac{4*7}{4*10}= \frac{7}{10}= \frac{7}{5*2} = \frac{7*9}{5*2*9} = \frac{63}{90} \\ \\ \frac{10}{45}= \frac{5*2}{9*5}= \frac{5*2*2}{9*5*2} = \frac{20}{90} \\ \\ \frac{63}{90} u \frac{20}{90}
49/105 И 27/36,
\frac{49}{105}= \frac{7*7}{5*3*7}= \frac{7}{5*3} = \frac{7*4}{5*3*4} = \frac{28}{60} \\ \\ \frac{27}{36}= \frac{9*3}{4*3*3} = \frac{9}{4*3} = \frac{9*5}{4*3*5} = \frac{45}{60} \\ \\ \frac{28}{60} u \frac{45}{60}
60/90 И 15/50 ,
\frac{60}{90} =\frac{3*2*10}{3*3*10}= \frac{2*10}{3*10}= \frac{20}{30} \\ \\ \frac{15}{50}= \frac{5*3}{5*10}= \frac{3}{10}= \frac{3*3}{10*3}= \frac{9}{30} \\ \\ \frac{20}{30} u \frac{9}{30}
10/20 8 /24 И 9/45
\frac{10}{20} = \frac{10}{2*10}= \frac{1}{2} = \frac{5*3}{5*3*2} = \frac{15}{30} \\ \\ \frac{8}{24}= \frac{8}{3*8}= \frac{1}{3} = \frac{5*2}{5*2*3}= \frac{10}{30} \\ \\ \frac{9}{45} = \frac{9}{9*5}= \frac{1}{5} = \frac{2*3}{5*2*3}= \frac{6}{30} \\ \\ \frac{15}{30} u \frac{10}{30} u \frac{6}{30}
,22/44 24/30 И 27/36.
\frac{22}{44}= \frac{11*2}{11*4}= \frac{2}{4} = \frac{2*5}{4*5} = \frac{10}{20} \\ \\ \frac{24}{30} = \frac{6*4}{6*5} = \frac{4}{5}= \frac{4*4}{5*4}= \frac{16}{20} \\ \\ \frac{27}{36}= \frac{9*3}{9*4}= \frac{3}{4}= \frac{3*5}{4*5}= \frac{15}{20}
\frac{10}{20} u \frac{16}{20} u \frac{15}{20}
Пошаговое объяснение:
Сторона квадрата будет равна квадратному корню из 36, т.е = 6
6 см = 60 мм
