viết các phân số sau thành hỗn số
2007/135 126/27
17/12 311/39
K
Khách
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Những câu hỏi liên quan
18 tháng 6 2017
a)\(\frac{35}{56}\)và \(\frac{35}{50}\)
b)\(\frac{36}{56}\)và \(\frac{36}{39}\)
Nhớ k cho mik nha ...
18 tháng 6 2017
A) \(\frac{35}{56}\)và \(\frac{35}{50}\)
B) \(\frac{36}{56}\) và \(\frac{36}{39}\)
k cho mình nhaa <3
TT
2
J
3
5 tháng 4 2018
\(\frac{2007}{135}=14\frac{13}{15}\)
\(\frac{17}{12}=1\frac{5}{12}\)
\(\frac{126}{27}=4\frac{2}{3}\)
\(\frac{311}{39}=7\frac{38}{39}\)
LV
5 tháng 4 2018
\(\frac{2007}{135}=14\frac{13}{15}\)
\(\frac{17}{12}=1\frac{5}{12}\)
\(\frac{126}{27}=4\frac{2}{3}\)
\(\frac{311}{39}=7\frac{38}{39}\)
1 tháng 4 2017
2007/135 = 223/15
126/27 = 14/3
17/12 = 17/12
311/39 = 311/39
20 tháng 2 2022
999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
B
24 tháng 3 2022
CH4+2O2-to>CO2+2H2O
x---------2x-------x---------2x
C2H4+3O2-to>2CO2+2H2O
y-------------3y------2y-------2y
=>\(\left\{{}\begin{matrix}16x+28y=1,36\\2x+3y=0,16\end{matrix}\right.\)
=>x=0,05 mol , y=0,02 mol
=>%m CH4=\(\dfrac{0,05.16}{1,36}100\)=58,82%
=>%m C2H4=41,17%
=>mH2O=(0,1+0,04).18=2,52g
\(\frac{2007}{135}=14\frac{117}{135}=14\frac{13}{15}\) \(\frac{126}{27}=4\frac{18}{27}=4\frac{2}{3}\)
\(\frac{17}{12}=1\frac{5}{12}\) \(\frac{311}{39}=7\frac{38}{39}\)
~Moon~