Tk Online 01
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2024-07-24 20:59:49
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2024-07-20 11:27:16
a]\(\dfrac{2}{3}\).\(\dfrac{5}{4}\)-\(\dfrac{3}{4}\).\(\dfrac{2}{3}\)=\(\dfrac{2}{3}\).\((\dfrac{5}{4}\)-\(\dfrac{3}{4})\)
=\(\dfrac{2}{3}\).\(\dfrac{2}{4}\)
=\(\dfrac{4}{12}\)
B] 2.\((\dfrac{-3}{2})\)-\(\dfrac{7}{2}\)=\(\dfrac{2}{1}\).\(\dfrac{9}{4}\)-\(\dfrac{7}{2}\)
=\(\dfrac{18}{4}\)-\(\dfrac{7}{2}\)
=\(\dfrac{18}{4}\)-\(\dfrac{28}{4}\)
=\(\dfrac{-10}{4}\)=\(\dfrac{-5}{2}\)
C] \(\dfrac{-3}{4}\).5\(\dfrac{3}{13}\)
2024-07-17 15:41:35
a)x=-2/3
b)x=3/5
2024-07-17 15:38:38
a)x=8.22
b)x=4.3
c)x=
d)x=951/364
2024-07-16 16:29:27
do là j