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\(\Rightarrow x\times\left(4,8+5,2\right)=16,01\\ x\times10=16,01\\ x=16,01:10=1,601\)
\(x+4,5\times2=86,2\)
\(x+9=86,2\)
\(x=86,2-9\)
\(x=77,2.\)
\(x\times5,2+4,8=10\)
\(x\times5,2=10-4,8\)
\(x\times5,2=5,2\)
\(x=5,2:5,2\)
\(x=1.\)
\(x\times5,2+x\times4,8=25\\ \Rightarrow x\left(5,2+4,8\right)=25\\ \Rightarrow10x=25\\ \Rightarrow x=\dfrac{25}{10}=\dfrac{5}{2}\)
Vậy \(x=\dfrac{5}{2}\)
\(X\times\left(5,2+4,8\right)=25\)
\(X\times10=25\)
=> \(X=\dfrac{25}{10}=2,5\)
dễ thì tự suy nghĩ sẽ tốt hơn
X * ( 4,8+5,2) = 16,01
X* 10 = 16,01
X = 16,01: 10
X= 1,601
Vậy x = 1,601
A) X x 19,02 - 19,01 x X = 56,84
X x (19,02 - 19,01) = 56,84
X x 0,01 = 56,84
X = 56,84 : 0,01
X = 5684
B) 4,8 x X + X x 5,2 = 19,2
(4,8 + 5,2) x X = 19,2
10 x X = 19,2
X = 19,2 : 10
X = 1,92
A) X x (19,02 - 19,01 ) = 56,84
X x 0.01 = 56,84
X = 56,84 : 0,01
X = 5,684
Vậy X = 5,684
B) X x (4,8+ 5,2) = 19,2
X x 10 = 19,2
X = 19,2 : 10
X = 1,92
Vậy X = 1,92
5.7*16.2+16.2*4.3-6.2*4.8+6.2*5.2=(5.7*16.2+16.2*4.3)-(6.2*4.8+6.2*5.2)=16.2(5.7+4.3)-6.2(4.8+5.2)=16.2*10+6.2*10=10(16.2-6.2)=10
13.4+12.3+11.2+10.4-11.5-12.6-0.4=(13.4+12.3+11.2+10.4)-(11.5+12.6+0.4)=47.3-24.5=22.8
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