\(\dfrac{75}{100}+\dfrac{3}{4}\times29+75\%\times30+0,75\times40\)
\(=0,75+0,75\times29+0,75\times30+0,75\times40\)
\(=0,75\times\left(1+29+30+40\right)\)
\(=0,75\times\left(30+70\right)\)
\(=0,75\times100\)
\(=75\)
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