Question

Вычислите а) 1/2-1/8 ;б) -0,6-1/2

Answer 1

1\2-1\8=4\8-1\8=3\8

-0.6-1\2= -0.6-0.5=-1.1 или   -0.6-1\2=-6\10-5\10=-11\10=-1 1\10

Answer 2

а)

$\frac{1}{2} - \frac{1}{8} = \frac{4}{8} - \frac{1}{8} = \frac{3}{8} = 0.375$

ИЛИ

$\frac{1}{2} - \frac{1}{8} = 0.5 - 0.125 = 0.375$

б)

$- 0.6 - \frac{1}{2} = - \frac{3}{5} - \frac{1}{2} = - \frac{6}{10} - \frac{5}{10} = - \frac{11}{10} = - 1.1$

ИЛИ

$- 0.6 - \frac{1}{2} = - 0.6 - 0.5 = - 1.1$