Question

Найдите значение выражения. С 96 по 99

Answer 1

96. а) 1 + 3/8= 8/8 + 3/8 = 11/8 = 1 3/8;
б) 1 - 3/8 = 8/8 - 3/8 = 5/8;
в) 2 + 1 3/4 = 2 + 7/4 = 8/4 + 7/4 = 15/4 = 3 3/4;
г) 2 - 1 3/4 = 2 - 7/4 = 8/4 - 7/4 = 1/4
97. а) 3 - 5/6 = 18/6 - 5/6 = 13/6 = 2 1/6;
б) 4 - 12/25 = 100/25 - 12/25 = 88/25 = 3 13/25;
в) 1 4/9 + 5 = 13/9 + 45/9 = 58/9 = 6 4/9;
г) 6 17/18 - 3 = 125/18 - 54/18 = 71/18 = 3 17/18;
98. а) 2 3/8 + 5/8 = 19/8 + 5/8 = 24/8 = 3;
б) 3 11/14 - 9/14 = 3 2/14;
в) 4 5/7 + 3/7 = 4 8/7 = 5 1/7;
г) 3 2/13 - 4/13 = 41/13 - 4/13 = 37/13 = 2 11/13.
99. а) 3 1/4 + 1 1/4 = 4 2/4 = 4 1/2;
б) 5 8/21 - 2 5/21 = 3 3/21 = 3 1/7;
в) 1 4/9 + 2 7/9 = 3 11/9 = 4 2/9;
г) 4 4/15 - 2 7/15 = 64/15 - 37/15 = 27/15 = 1 12/15

Answer 2

Ответ:

96. а) $1 + \frac{3}{8}$ =  1$\frac{3}{8}$ ;

б) $1 - \frac{3}{8}  = \frac{8}{8} - \frac{3}{8} = \frac{5}{8}$ ;

в) 2 + 1$\frac{3}{4}$ = $3\frac{3}{4}$ ;

г) 2 - 1$\frac{3}{4}$ = 1$\frac{4}{4}$ - 1$\frac{3}{4}$ = $\frac{1}{4}$ ;

97. а) $3 - \frac{5}{6} = 2\frac{6}{6}  - \frac{5}{6} = 2\frac{1}{6}$ ;

б) $4 - \frac{12}{25} = 3\frac{25}{25} - \frac{12}{25} = 3\frac{13}{25}$ ;

в) $1\frac{4}{9} + 5 = 6 \frac{4}{9}$ ;

г) $6\frac{17}{18} - 3 = 3 \frac{17}{18}$ ;

98. а) $2\frac{3}{8} + \frac{5}{8} = 2\frac{8}{8}  = 3$ ;

б) $3\frac{11}{14} - \frac{9}{14}  = 3\frac{2}{14} = 3\frac{1}{7}$ ;

в) $4\frac{5}{7} + \frac{3}{7} = 4\frac{8}{7} = 5\frac{1}{7}$ ;

г) $3\frac{2}{13} - \frac{4}{13} = 2 \frac{15}{13} - \frac{4}{13} = 2\frac{11}{13}$ ;

99. а) $3\frac{1}{4} + 1\frac{1}{4} = 4\frac{2}{4} = 4\frac{1}{2}$ ;

б) $5\frac{8}{21} - 2\frac{5}{21} = 3\frac{3}{21} = 3\frac{1}{7}$ ;

в) $1\frac{4}{9} + 2\frac{7}{9} = 3\frac{11}{9} = 4\frac{2}{9}$ ;

г) $4\frac{4}{15} - 2\frac{7}{15} = 3\frac{19}{15} - 2\frac{7}{15} = 1\frac{12}{15}$ ;