Question

4½-2:(1-½)+1 обчислити

Answer 1

1-1/2=1/2
2:1/2=2*2/1=4
4 1/2-4=1/2
1/2+1=1 1/2=3/2=1.5

Answer 2

$4 \frac{1}{2} - 2:(1 - \frac{1}{2} ) + 1 = \frac{5}{2} - \frac{2}{ \frac{1}{2} } + 1 = \frac{5}{2} - 4 + 1 = \frac{5 - 8 + 2}{2} = - \frac{1}{2}$