Respuesta:
a: 38
b: 40
c: 31
Explicación paso a paso:
y ahí ya le pones el resultado
[tex]2 \frac{4}{8} + 7 \frac{1}{2} - 6 \frac{2}{4} = 2 + 7 - 6 + \frac{4 \div 4}{8 \div 4} + \frac{1}{2} - \frac{2 \div 2}{4 \div 2} = 3 + \frac{1}{2} + \frac{1}{2} - \frac{1}{2} = 3 \frac{1}{2} [/tex]
[tex]9 \frac{3}{5} + 1 \frac{2}{8} + 3 \frac{7}{2} = 13 + \frac{3}{5} + \frac{2}{8} + \frac{7 \times 4}{2 \times 4} = 13 + \frac{3}{5} + \frac{2 + 28}{8} = 13 + \frac{3 \times 8}{5 \times 8} + \frac{30 \times 5}{8 \times 5} = 13 + \frac{24 + 150}{40} = 13 \frac{174}{40} = 13 \frac{87}{20} [/tex]
[tex]7 \frac{1}{2} + \frac{6}{4} - 9 \frac{2}{3} = - 2 + \frac{1}{2} + \frac{6}{4} - \frac{2}{3} = - 2 + \frac{1 \times 2}{2 \times 2} + \frac{6}{4} - \frac{2}{3} = - 2 + \frac{2 + 6}{4} - \frac{2}{3} = - 2 + \frac{8}{4} - \frac{2}{3} = - 2 + 2 - \frac{2}{3 } = - \frac{2}{3} [/tex]
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Respuesta:
a: 38
b: 40
c: 31
Explicación paso a paso:
y ahí ya le pones el resultado
Verified answer
Explicación paso a paso:
[tex]2 \frac{4}{8} + 7 \frac{1}{2} - 6 \frac{2}{4} = 2 + 7 - 6 + \frac{4 \div 4}{8 \div 4} + \frac{1}{2} - \frac{2 \div 2}{4 \div 2} = 3 + \frac{1}{2} + \frac{1}{2} - \frac{1}{2} = 3 \frac{1}{2} [/tex]
[tex]9 \frac{3}{5} + 1 \frac{2}{8} + 3 \frac{7}{2} = 13 + \frac{3}{5} + \frac{2}{8} + \frac{7 \times 4}{2 \times 4} = 13 + \frac{3}{5} + \frac{2 + 28}{8} = 13 + \frac{3 \times 8}{5 \times 8} + \frac{30 \times 5}{8 \times 5} = 13 + \frac{24 + 150}{40} = 13 \frac{174}{40} = 13 \frac{87}{20} [/tex]
[tex]7 \frac{1}{2} + \frac{6}{4} - 9 \frac{2}{3} = - 2 + \frac{1}{2} + \frac{6}{4} - \frac{2}{3} = - 2 + \frac{1 \times 2}{2 \times 2} + \frac{6}{4} - \frac{2}{3} = - 2 + \frac{2 + 6}{4} - \frac{2}{3} = - 2 + \frac{8}{4} - \frac{2}{3} = - 2 + 2 - \frac{2}{3 } = - \frac{2}{3} [/tex]