viet cac phan so sau thang hon so 54/12 , 37/21 , 69/13
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Viet cac phan so sau thanh phan so thap phan 12/125=
54/180=
Ai nhanh minh tick
\(\frac{12}{125}\)= 0,096
\(\frac{54}{180}\)=\(\frac{3}{10}\)= 0,3
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\(\frac{12}{125}=0,096\)
\(\frac{54}{180}=0,3\)
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A)Viet 5 phan so bé Hon 1,co Mau so la 7 va co tu so lon hon 0:B)Viet 5 phan so lon hon 1 va co mau so la 5:C)Viet 5 phan so bang phan so tam phan muoi hai :D)Viet cac phan so khac 0 co tong cua tu so va mau so bang 7:E)Hai phan so lon hon 1 co mau so bang 7 la :G)Hai phan so bang 1 la:H)Khoanh vao cac phan so bang ba muoi sau phan nam tu: Hai phan ba; sau phan muoi nam;tam phan muoi hai;muoi phan muoi nam Giai ho minh bai toan nay nhe !Minh dang can bai toan nay trong ngay hom nay.
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A)Viet 5 phan so bé Hon 1,co Mau so la 7 va co tu so lon hon 0:
B)Viet 5 phan so lon hon 1 va co mau so la 5:
C)Viet 5 phan so bang phan so tam phan muoi hai :
D)Viet cac phan so khac 0 co tong cua tu so va mau so bang 7:
E)Hai phan so lon hon 1 co mau so bang 7 la :
G)Hai phan so bang 1 la:
H)Khoanh vao cac phan so bang ba muoi sau phan nam tu: Hai phan ba; sau phan muoi nam;tam phan muoi hai;muoi phan muoi nam
Giai ho minh bai toan nay nhe !Minh dang can bai toan nay trong ngay hom nay.
A LÀ 1/7,2/7,3/7,4/7,5/7
B LÀ 10/5,9/5,8/5,7/5,6/5
C LÀ 2/5,16/20,24/30,32/40,40/50
D LÀ 1/6,2/5,3/4,2/5/1/6
Ch0 em lam toan va tiêng viêt
viet cac phan so thap phan sau day thanh so thap phan co 5 chu so
a)12/25 b)7/5 c)13/4
\(\frac{12}{25}=0,4800\)
\(\frac{7}{5}=1,4000\)
\(\frac{13}{4}=3,2500\)
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cho cac so 71,8,11,0
a viet tat ca cac phan so co tu so va mau so la cac so da cho
b tim trong do cac phan so nho hon 1 cac phan so lon hon 1 cac phan so bang 1
a 71/8, 71/11, 71/71,8/71, 8/11,8/8,11/71, 11/8, 11/11
b nho hon 1 la 8/71, 8/11.lon hon1 la 71/8 71/11, 11/8.bang 1 la 71/71, 8/8, 11/11
viet tap hop bang cach lien ket cac phan tu cua tap hop trong cac so tu nhien lon hon 14 nho hon15 co chua chu so 3 cac so 13 ,25,53 co thuoc tap hop hay khong
cho cac phan so 17 phan 20,23 phan 30 37 phan 40 va 53 phan 60 hay viet cac phan so do thanh cac phan so co mau so la 120
17/20=102/120; 23/30=92/120; 37/40=111/120; 53/60=106/120.
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viet cac phan so sau thanh tong cac phan so sau co tu so bang 1 va mau so khac nhau:13/35;11/16;7/18;15/24
\(\frac{13}{35}=\frac{7}{35}+\frac{5}{35}+\frac{1}{35}=\frac{1}{5}+\frac{1}{7}+\frac{1}{35}\)
\(\frac{11}{16}=\frac{8}{16}+\frac{2}{16}+\frac{1}{16}=\frac{1}{2}+\frac{1}{8}+\frac{1}{16}\)
\(\frac{7}{18}=\frac{6}{18}+\frac{1}{18}=\frac{1}{3}+\frac{1}{18}\)
\(\frac{15}{24}=\frac{12}{24}+\frac{3}{24}=\frac{1}{2}+\frac{1}{8}\)
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viet tap hop cac so tu nhien lon hon 13 va ko vuot qua 21 bang 2 cach
S={14;15;16;17;18;19;20;21}
S={x\(\in N\)/13<x\(\le\)21}
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CÁCH 1:
A={14;15;16;17;18;19;20;21}
CÁCH 2:
A={ x\(\in\)N / 13 < x\(\le\)21 }
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cho phan so 2/5 hay viet cac phan soco mau sola 5 nhung lon hon phan so 2/5 va nho hon 1
Neu mau so la 5 , va phan so do lon hon phan so 2/5 va nho hon 1. 5/5 se bang 1
Suy ra : phan so do la 3/5 va 4/5
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