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5,65.13,8+35,7.3,21+5,65.21,9+35,7.1,14
=5,65.(13,8+21,9)+35,7.(3,21+1,14)
=5,65.35,7+35,7.4,35
=35,7.(5,65+4,35)
=35,7.10
=357
![](https://rs.olm.vn/images/avt/0.png?1311)
= 5,65 x (13,8 + 21,9) + 35,7 x (3,21 + 1,14)
= 5,65 x 35,7 + 35,7 x 4,35
= 35,7 x (5,65 + 4,35) = 35,7 x 10 = 357
= 5,65 x (13,8 + 21,9) + 35,7 x (3,21 + 1,14)
= 5,65 x 35,7 + 35,7 x 4,35
= 35,7 x (5,65 + 4,35) = 35,7 x 10 = 357
k mk nha $_$
![](https://rs.olm.vn/images/avt/0.png?1311)
\(A=0,36.350+0,9.45.4+3.20.12\)
\(A=0,36.350+0,36.45+3,6.20\)
\(A=0,36.350+0,36.45+0,36.10.20\)
\(=0,36.\left(350+45+20.10\right)\)
\(A=0,36.595\)
\(A=214,2\)
\(b.12,8.3,2-y:4,6=35,06\)
\(40,96-y:4,6=35,06\)
\(y:4,6=40,96-35,06\)
\(y:4,6=5,9\)
\(y=5,9.4,6\)
\(y=27,14\)
![](https://rs.olm.vn/images/avt/0.png?1311)
A = 5,65 x 35,7 + 35,7 x 5,65
A = ( 5,65 x 35,7 ) x 2
A = 201,705 X 2
A = 403,41
![](https://rs.olm.vn/images/avt/0.png?1311)
x x 0,25 = 24,42 - 5,42 = 19
x = 19 : 0,25 = 76
(x-5,3) = 5,65 x 4,2 = 23,73
x = 23,73+5,3 = 29,03
k mk nha
X.0,25+5,42=24,42
X.0,25=24,42-5,42
X.0,25=19
X=19:0,25
X=76
(X-5,3):4,2=5,65
(X-5,3)=5,65.4,2
X-5,3=23,73
X=23,73+5,3
X=29,03
![](https://rs.olm.vn/images/avt/0.png?1311)
A ) 1,92 x 104 -1,92 : 0,25 = 1,92 x 104 - 1,92 x 4
= 1,92 x ( 104 - 4 )
= 1,92 x 100
= 192
B/ 35,7 :0,125 + 35,7 x 92 = 35,7 x 8 + 35,7 x 92
= 35,7 x ( 8 + 92 )
= 35,7 x 100
= 2570
Bài làm
\(A=1,92x104-1,92:0,25\)
\(A=1,92x104-19,2x\frac{100}{25}\)
\(A=1,92x104-1,92x4\)
\(A=1,92x\left(104-4\right)\)
\(A=1,92x100\)
\(A=192\)
Vậy \(A=192\)
\(B=35,7:0,125+35,7x9,2\)
\(B=35,7x\frac{4}{5}+35,7x9,2\)
\(B=35,7x\left(\frac{4}{5}+\frac{92}{10}\right)\)
\(B=35,7x\left(\frac{4}{5}+\frac{46}{5}\right)\)
\(B=35,7x\frac{50}{5}\)
\(B=35,7x10\)
\(B=357\)
Vậy \(B=357\)
# Chúc bạn học tốt #
![](https://rs.olm.vn/images/avt/0.png?1311)
(x - 5,3) : 4,2 = 5,65
x - 5,3 = 5,65 x 4,2
x - 5,3 = 23,73
x = 23,73 + 5,3
x = 29,03
77.97+114.597+123.735+40.698
357
5,65 x 13,8 + 35,7 x 3,21 + 5,65 x 21,9 +35,7 x 1,14
= 5,65 x ( 13,8 + 21,9) + 35,7 x (3,21 + 1,14)
= 5,65 x 35,7 + 35,7 x 4,35
phần còn lại tự nhé