Question

Найдите значение выражения.а)3 5/16+1/4-2 1/16=?б)1/8+2 3/5+2 7/8=?в)6 11/12-3 1/6-1 1/4=?г)3 7/9-1 5/18+3 1/2=?

Answer 1

а)3 5/16+1/4-2 1/16=3 5/16+4/16-2 1/16=1 8/16=1 1/2

б)1/8+2 3/5+2 7/8=5/40+2 24/40+2 35/40=4 64/40=5 3/5

в)6 11/12-3 1/6-1 1/4=6 11/12-3 2/12-1 3/12=2 1/2

г)3 7/9-1 5/18+3 1/2=3 14/18-1 5/18+3 9/18=6

Answer 2

$1 \\ \frac{53}{16} + \frac{1}{4} - \frac{33}{16} = \frac{3}{2} = 1 \frac{1}{2} \\ \\ 2 \\ \frac{1}{8} + \frac{13}{5} + \frac{23}{8} = \frac{28}{5} = 5 \frac{3}{5} \\ \\ 3 \\ (6 - 3 - 1) + ( \frac{11}{12} - \frac{1}{6} - \frac{1}{4} ) = 2 + \frac{1}{2} = 2 \frac{1}{2} = 2.5 \\ \\ 4 \\ 3 + \frac{7}{9} - (1 + \frac{5}{18} ) + 3 + \frac{1}{2} = 3 + \frac{7}{9} - 1 - \frac{5}{18} + 3 + \frac{1}{2} = (3 - 1 + 3) + ( \frac{7}{9} - \frac{5}{18} + \frac{1}{2} ) = 5 + 1 = 6$