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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
264,14 : 0,25 : 4
= 264,14 : ( 0,25 x 4 )
= 264,14 : 1
= 264,14
36,45 : 0,2 x 2 : 5
= 36,45 : ( 2 x 5 ) : 0,2
= 36,45 : 10 : 0,2
= 3,645 : 0,2
= 18,225
![](https://rs.olm.vn/images/avt/0.png?1311)
\(a,2,3:0,25+7,7.4\\ =2,3.4+7,7.4\\ =\left(2,3+7,7\right).4=10.4=40\\ b,4,2.8+5,8:0,125\\ =4,2.8+5,8.8\\ =\left(4,2+5,8\right).8=10.8=80\\ c,3,4.4+5,6:0,25+4\\ =3,4.4+5,6.4+4\\ =\left(3,4+5,6+1\right).4=10.4=40\\ d,4:0,2+12:0,5+1,2:0,25\\ =4.5+12.2+1,2.4\\ 4.5+6.4+1,2.4\\ =4\left(5+6+1,2\right)\\ =4.12,2=48,8\)
![](https://rs.olm.vn/images/avt/0.png?1311)
= (120-20) - 0.5*4*10*0.2*5*4*0.25
= 100 - 2*10*1*1
= 100- 20
=80
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{19,8:0.2.44,44.2.13,2:0,25}{3,3.88,88:0,5.6,6:0,125.5}\) \(=\frac{19,8.5.44,44.2.13,2.4}{3,3.88,88.2.6,6.8.5}=\frac{3,3.6.5.44,44.2.6,66.4}{3,3.44,44.2.6,6.8.5}\)
\(=\frac{6.2.2}{8}=3\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(13,25:0,5+13,25:0,2+13,25:0,25\\ =13,25\times2+13,25\times5+13,25\times4\\ =13,25\times\left(2+5+4\right)\\ =13,25\times11\\ =145,75\)
a) 264,14 : 0,25 : 4
=264,14:( 0,25 x 4)
=264,14:1
=264,14
b)36,45 : 0,2 x 2
=36,45 x 5x 2
=36,45 x (5x2)
=36,45 x 10
=364,5
Tick nha, lần sau giúp nữa