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43 x 79 + 43 x 79
=43 x (79+79)
= 43 x 158
= 6794
nha bạn ^_^
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\(\frac{17}{25}\times\frac{29}{43}+\frac{14}{43}\times\frac{17}{25}\)
\(=\frac{17}{25}\times\left(\frac{29}{43}+\frac{14}{43}\right)\)
\(=\frac{17}{25}\times\frac{43}{43}\)
\(=\frac{17}{25}\times1\)
\(=\frac{17}{25}\)
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100x(43x10+43-2x43x5)+500
=100x(43x11-43x10)+500
=100x[43x(11-10)]+500
=100x43+500
=4300+500
=4800
100(43.10+43-2.43.5)+500
=100(430+43-430)+500
=100.43+500
=4300+500
=4800
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\(\frac{34}{43}=\frac{374}{x-32}\)
\(\Rightarrow34\left(x-32\right)=43x374\)
\(\Rightarrow34x-1088=16082\)
\(\Rightarrow34x=16082+1088=17170\)
\(\Rightarrow x=\frac{17170}{34}=505\)
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a. x ÷ 24 = 35736
x = 35736 × 24
x = 857664
b. 43 × 95 + 43 × 4 + 43
= 43 × ( 95 + 4 + 1)
= 43 × 100
= 4300
b) 43 x X = 14061
x = 14061 : 43
x = 327