Bài 2:
\(a,1\dfrac{9}{10}=1,9;2\dfrac{66}{100}=2,66;3\dfrac{72}{100}=3,72;4\dfrac{999}{1000}=4,999\\ b,8\dfrac{2}{10}=8,2;36\dfrac{23}{100}=36,23;54\dfrac{7}{100}=54,07;12\dfrac{254}{1000}=12,254\)
Bài 3:
\(a,0,5=\dfrac{5}{10};0,03=\dfrac{3}{100};7,5=\dfrac{75}{10}\\ b,0,92=\dfrac{92}{100};0,006=\dfrac{6}{1000};8,92=\dfrac{892}{100}\)
Tham thảo:P
Bài 2
a) 19/10; 266/100; 372/100; 4999/100
b) 82/10; 3623/100; 12254/1000
Bài 3
a) 5/10; 3/100; 75/10
b) 92/100; 6/1000; 892/1000