
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.


a)=384:(25*4)=384:100=3,84.
b)37/25:5/4:74/25=37/25*4/5*25/74=37*4*25/5*25*74=2/5.
c)380:(38*2)=(380:38):2=10:2=5.
d)6/11:4/3:5/11:4/3=6/11*3/4*11/5*3/4=6*3*11*3/11*4*5*4=27/40.
k nha

2 x 93 x 50 + 4 x 6 x 25 + 100
= (2 x 50) x 93 + (25 x 4) x 6 + 100
= 100 x 93 + 100 x 6 + 100 x 1
= 100 x (93 + 6 + 1)
= 100 x 100
= 10000
\(2.93.50+4.6.25+100\)
\(=\left(2.50\right).93+\left(4.25\right).6+100\)
\(=100.93+100.6+100\)
\(=100.\left(93+6+1\right)\)
\(=100.100\)
\(=10000\)

39 x 25 x 32 x 125 = 39 x 25 x (125 x 32) = 975 x 4000 = 3900000

\(=25\%+25\%\times38+25\%\times50+25\%\times11\)
\(=25\%\times\left(1+38+50+11\right)=25\%\times100=25\)


27/8 - 7/3 + 4/3 - 2
= 27/8 - (7/3 - 4/3) - 2
= 27/8 - 1 - 2
=27/8 - 3
= 3/8
2025+39%+25/100+3/4+0,61
=2025+0,39+0,61+0,25+0,75
=2025+1+1
=2027
\(2025+39\%+\frac{25}{100}+\frac34+0,61\)
\(=2025+\frac{39}{100}+\frac{25}{100}+\frac34+\frac{61}{100}\)
\(=\left(2025+\frac34\right)+\left(\frac{39}{100}+\frac{25}{100}+\frac{61}{100}\right)\)
\(=\frac{8103}{4}+\frac54=\frac{8103+5}{4}=\frac{8108}{4}=2027\)