chuyển các phân số sau đây thành hỗn số:
a)8/3 b)9/5
c)17/4 d)14/16
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a ) \(0\frac{13}{14}\)
b) \(3\frac{3}{4}\)
c) \(2\frac{5}{11}\)
d) \(5\frac{7}{13}\)
a) \(\frac{13}{14}\)= \(\frac{13}{14}\)
b)\(\frac{15}{4}\)= \(3\frac{3}{4}\)
c) \(\frac{27}{11}\)=\(2\frac{5}{11}\)
d)\(\frac{72}{13}\)=\(5\frac{7}{13}\)
Hok tốt ^^ Đúng k mik nhé !!!
a) 1/2
b) 18/17; 17/16; 16/15; 15/14; 14/13; 13/12; 10/9
Nhớ k cho mk nha
a)1/2
b)Vì 18/17 <17/16 <16/15<15/14< 14/13< 13/12< 10/9
Nên, ta có:
18/17; 17/16; 16/15; 15/14; 14/13; 13/12; 10/9.
a: 4/7=48/84
5/12=35/84
b: 3/8=9/24
19/24=19/24
c: 21/22=21/22
7/11=14/22
d: 8/15=128/240
11/16=165/240
e: 4/25=16/100
72/100=72/100
f: 17/60=17/60
4/5=48/60
bài 1:
các ps ....lớn đến bé là:
b1:8/10;14/20;27/40;5/8.
b2: (rút gọn)
5/8 ; 4/5 ; 7/10 ; 27/40.
a)\(\frac{-5}{18}+\frac{32}{45}-\frac{9}{10}\)
\(=\frac{-25}{90}+\frac{64}{90}-\frac{81}{90}\)
\(=-\frac{42}{90}=-\frac{7}{15}\)
b)\(\frac{3}{4}-\left(-\frac{5}{8}\right)+\frac{9}{4}-\frac{3}{16}\)
\(=\frac{3}{4}+\frac{5}{8}+\frac{9}{4}-\frac{3}{16}\)
\(=\frac{12}{16}+\frac{10}{16}+\frac{36}{16}-\frac{3}{16}\)
\(=\frac{58}{16}=\frac{29}{8}\)
c) \(\frac{11}{125}-\frac{17}{18}-\frac{5}{7}+\frac{4}{9}+\frac{17}{14}=\frac{11}{125}\)
d) \(\frac{-2}{5}-\frac{3}{10}-\left(-\frac{1}{2}\right)\)
\(=-\frac{2}{5}-\frac{3}{10}+\frac{1}{2}\)
\(=-\frac{4}{10}-\frac{3}{10}+\frac{5}{10}\)
\(=-\frac{2}{10}=-\frac{1}{5}\)
\(3\frac{1}{2}=\frac{3.2+1}{2}=\frac{7}{2}\)
\(13\frac{2}{3}=\frac{13.3+2}{3}=\frac{41}{3}\)
\(5\frac{7}{8}=\frac{5.8+7}{8}=\frac{47}{8}\)
\(17\frac{1}{4}=\frac{17.4+1}{4}=\frac{69}{4}\)
\(4\frac{2}{9}=\frac{4.9+2}{9}=\frac{38}{9}\)
\(21\frac{5}{9}=\frac{21.9+5}{9}=\frac{194}{9}\)
\(10\frac{5}{8}=\frac{10.8+5}{8}=\frac{85}{8}\)
\(14\frac{1}{5}=\frac{14.5+1}{5}=\frac{71}{5}\)
2 3/5 = 13/5
5 4/9= 49/9
9 3/8 =75/8
12 7/10= 127/10
Đúng ko
K mk nha
8/3=\(2\frac{2}{3}\)
17/4=\(4\frac{1}{4}\)
9/5\(=1\frac{4}{5}\)
14/16=\(0\frac{7}{8}\)
a) 8/3=2_2/3
b) 9/5=1_4/5
c) 17/4=4_1/4
d) 14/16=..._.../...