Question

16/7*39/8+1,25*16/7 хелп распишите плиз

Answer 1

$\frac{16}{7}*\frac{39}{8}+1,25 *\frac{16}{7}=\frac{16}{7}(\frac{39}{8}+1,25)= \frac{16}{7}(\frac{39}{8}+1 \frac{1}{4} )=\\ =\frac{16}{7}(\frac{39}{8}+ \frac{5}{4} )=\frac{16}{7}(\frac{39}{8}+\frac{10}{8} )= \frac{16}{7}*\frac{49}{8} =2*7=14$