a: \(1+\dfrac{9}{10}=\dfrac{19}{10}\)
\(3+\dfrac{72}{1000}=\dfrac{3072}{1000}\)
\(2+\dfrac{66}{100}=\dfrac{266}{100}\)
\(4+\dfrac{99}{1000}=\dfrac{4099}{1000}\)
b: \(8+\dfrac{2}{10}=\dfrac{82}{10}\)
\(36+\dfrac{23}{100}=\dfrac{3623}{100}\)
\(54+\dfrac{7}{100}=\dfrac{5407}{100}\)
\(12+\dfrac{254}{1000}=\dfrac{12254}{1000}\)
a: 3+721000=307210003+721000=30721000
4+991000=409910004+991000=40991000
b: 36+23100=362310036+23100=3623100
12+2541000=122541000
\(1\dfrac{9}{10}=1,9\)
\(3\dfrac{72}{1000}=3,072\)
\(2\dfrac{66}{100}=2,66\)
\(4\dfrac{99}{1000}=4,099\)
b,\(8\dfrac{2}{10}=8,2\)
\(36\dfrac{23}{100}=36,23\)
\(54\dfrac{7}{100}=54,07\)
\(12\dfrac{254}{1000}=12,254\)
a 1,9
3,072
2,66
4,099
b 8,2
36,23
54,07
12,254
\(a=\dfrac{19}{10}\)\(\dfrac{384}{125}\)\(\dfrac{4099}{1000}\)
\(b=\dfrac{41}{5}\)\(\dfrac{3623}{100}\)\(\dfrac{5407}{100}\)\(\dfrac{5127}{500}\)
sory mình nhé hơi lười nên cố nhìn nha:))